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Critical RCE Vulnerability Found in Cisco WebEx Extensions, Again — Patch Now!

Critical RCE Vulnerability Found in Cisco WebEx Extensions, Again — Patch Now!

Jul 17, 2017
A highly critical vulnerability has been discovered in the Cisco Systems’ WebEx browser extension for Chrome and Firefox, for the second time in this year, which could allow attackers to remotely execute malicious code on a victim's computer. Cisco WebEx is a popular communication tool for online events, including meetings, webinars and video conferences that help users connect and collaborate with colleagues around the world. The extension has roughly 20 million active users. Discovered by Tavis Ormandy of Google Project Zero and Cris Neckar of Divergent Security, the remote code execution flaw (CVE-2017-6753) is due to a designing defect in the WebEx browser extension. To exploit the vulnerability, all an attacker need to do is trick victims into visiting a web page containing specially crafted malicious code through the browser with affected extension installed. Successful exploitation of this vulnerability could result in the attacker executing arbitrary code with th...
Cisco Issues Security Patch Updates for 32 Flaws in its Products

Cisco Issues Security Patch Updates for 32 Flaws in its Products

Sep 06, 2018
Cisco today released thirty security patch advisory to address a total of 32 security vulnerabilities in its products, three of which are rated critical, including the recently disclosed Apache Struts remote code execution vulnerability that is being exploited in the wild. Out of the rest 29 vulnerabilities, fourteen are rated high and 15 medium in severity, addressing security flaws in Cisco Routers, Cisco Webex, Cisco Umbrella, Cisco SD-WAN Solution, Cisco Cloud Services Platform, Cisco Data Center Network, and more products. The three critical security vulnerabilities patched by Cisco address issues in Apache Struts, Cisco Umbrella API, and Cisco RV110W, RV130W and RV215W router's management interface. Apache Struts Remote Code Execution Vulnerability (CVE-2018-11776) The vulnerability, reported late last month by Semmle security researcher Man Yue Mo, resides in the core of Apache Struts and originates due to insufficient validation of user-provided untrusted inputs in...
Cisco Releases Security Patches for New Vulnerabilities Impacting Multiple Products

Cisco Releases Security Patches for New Vulnerabilities Impacting Multiple Products

Sep 08, 2022
Cisco on Wednesday rolled out patches to address  three security flaws  affecting its products, including a high-severity weakness disclosed in NVIDIA Data Plane Development Kit (MLNX_DPDK) late last month. Tracked as  CVE-2022-28199  (CVSS score: 8.6), the vulnerability stems from a lack of proper error handling in DPDK's network stack, enabling a remote adversary to trigger a denial-of-service (DoS) condition and cause an impact on data integrity and confidentiality. "If an error condition is observed on the device interface, the device may either reload or fail to receive traffic, resulting in a denial-of-service (DoS) condition," Cisco  said  in a notice published on September 7. DPDK  refers to a set of libraries and optimized network interface card (NIC) drivers for fast packet processing, offering a framework and common API for high-speed networking applications. Cisco said it investigated its product lineup and determined the following se...
cyber security

Shadow AI is Everywhere. Here's How You Can Find and Secure it [Free Guide]

websiteNudge SecuritySaaS Security / AI Security
Learn what actually works for uncovering shadow AI apps, integrations, and data exposure—and where some methods fall short.
cyber security

The Salesforce Aura Attack Surface Most Pentesters Miss

websiteRecoAI Agent Security
A step-by-step guide to Salesforce Experience Site pentesting, including novel Apex enumeration.
Cisco Fixes Actively Exploited Zero-Day CVE-2026-20045 in Unified CM and Webex

Cisco Fixes Actively Exploited Zero-Day CVE-2026-20045 in Unified CM and Webex

Jan 22, 2026 Vulnerability / Zero-Day
Cisco has released fresh patches to address what it described as a "critical" security vulnerability impacting multiple Unified Communications (CM) products and Webex Calling Dedicated Instance that it has been actively exploited as a zero-day in the wild. The vulnerability, CVE-2026-20045 (CVSS score: 8.2), could permit an unauthenticated remote attacker to execute arbitrary commands on the underlying operating system of a susceptible device. "This vulnerability is due to improper validation of user-supplied input in HTTP requests," Cisco said in an advisory. "An attacker could exploit this vulnerability by sending a sequence of crafted HTTP requests to the web-based management interface of an affected device. A successful exploit could allow the attacker to obtain user-level access to the underlying operating system and then elevate privileges to root." The critical rating for the flaw is due to the fact that its exploitation could allow for privil...
Cisco Patches Four Critical Identity Services, Webex Flaws Enabling Code Execution

Cisco Patches Four Critical Identity Services, Webex Flaws Enabling Code Execution

Apr 16, 2026 Vulnerability / Network Security
Cisco has announced patches to address four critical security flaws impacting Identity Services and Webex Services that could result in arbitrary code execution and allow an attacker to impersonate any user within the service. The details of the vulnerabilities are below - CVE-2026-20184 (CVSS score: 9.8) - An improper certificate validation in the integration of single sign-on (SSO) with Control Hub in Webex Services that could allow an unauthenticated, remote attacker to impersonate any user within the service and gain unauthorized access to legitimate Cisco Webex services. CVE-2026-20147 (CVSS score: 9.9) - An insufficient validation of user-supplied input vulnerability in Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) that could allow an authenticated, remote attacker in possession of valid administrative credentials to achieve remote code execution by sending crafted HTTP requests. CVE-2026-20180 and CVE-2026-20186 (CVSS scores: 9.9) ...
Apache Struts 2 Flaws Affect Multiple Cisco Products

Apache Struts 2 Flaws Affect Multiple Cisco Products

Sep 12, 2017
After Equifax massive data breach that was believed to be caused due to a vulnerability in Apache Struts , Cisco has initiated an investigation into its products that incorporate a version of the popular Apache Struts2 web application framework. Apache Struts is a free, open-source MVC framework for developing web applications in the Java programming language, and used by 65 percent of the Fortune 100 companies, including Lockheed Martin, Vodafone, Virgin Atlantic, and the IRS. However, the popular open-source software package was recently found affected by multiple vulnerabilities, including two remote code execution vulnerabilities—one discovered earlier this month, and another in March—one of which is believed to be used to breach personal data of over 143 million Equifax users . Some of Cisco products including its Digital Media Manager, MXE 3500 Series Media Experience Engines, Network Performance Analysis, Hosted Collaboration Solution for Contact Center, and Unified C...
Several Unpatched Popular Android Apps Put Millions of Users at Risk of Hacking

Several Unpatched Popular Android Apps Put Millions of Users at Risk of Hacking

Dec 03, 2020
A number of high-profile Android apps are still using an unpatched version of Google's widely-used app update library, potentially putting the personal data of hundreds of millions of smartphone users at risk of hacking. Many popular apps, including Grindr, Bumble, OkCupid, Cisco Teams, Moovit, Yango Pro, Microsoft Edge, Xrecorder, and PowerDirector, are still vulnerable and can be hijacked to steal sensitive data, such as passwords, financial details, and e-mails. The bug, tracked as  CVE-2020-8913 , is rated 8.8 out of 10.0 for severity and impacts Android's Play Core Library versions prior to  1.7.2 . Although Google addressed the vulnerability in March,  new findings  from Check Point Research show that many third-party app developers are yet to integrate the new Play Core library into their apps to mitigate the threat fully. "Unlike server-side vulnerabilities, where the vulnerability is patched completely once the patch is applied to the server, for ...
Cisco Business Routers Found Vulnerable to Critical Remote Hacking Flaws

Cisco Business Routers Found Vulnerable to Critical Remote Hacking Flaws

Aug 04, 2022
Cisco on Wednesday rolled out patches to address eight security vulnerabilities , three of which could be weaponized by an unauthenticated attacker to gain remote code execution (RCE) or cause a denial-of-service (DoS) condition on affected devices. The most critical of the flaws impact Cisco Small Business RV160, RV260, RV340, and RV345 Series routers. Tracked as CVE-2022-20842 (CVSS score: 9.8), the weakness stems from an insufficient validation of user-supplied input to the web-based management interface of the appliances. "An attacker could exploit this vulnerability by sending crafted HTTP input to an affected device," Cisco said in an advisory. "A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system or cause the device to reload, resulting in a DoS condition." A second shortcoming relates to a command injection vulnerability residing in the routers' web filter database update featur...
How An Image Could've Let Attackers Hack Microsoft Teams Accounts

How An Image Could've Let Attackers Hack Microsoft Teams Accounts

Apr 27, 2020
Microsoft has patched a worm-like vulnerability in its Teams workplace video chat and collaboration platform that could have allowed attackers to take over an organization's entire roster of Teams accounts just by sending participants a malicious link to an innocent-looking image. The flaw, impacting both desktop and web versions of the app, was discovered by cybersecurity researchers at CyberArk. After the findings were responsibly disclosed on March 23, Microsoft patched the vulnerability in an update released on April 20. "Even if an attacker doesn't gather much information from a Teams' account, they could still use the account to traverse throughout an organization (just like a worm)," CyberArk's Omer Tsarfati said. "Eventually, the attacker could access all the data from your organization's Teams accounts — gathering confidential information, meetings and calendar information, competitive data, secrets, passwords, private information, ...
New Bluetooth Vulnerability Lets Attackers Spy On Encrypted Connections

New Bluetooth Vulnerability Lets Attackers Spy On Encrypted Connections

Aug 14, 2019
Over a billion Bluetooth-enabled devices, including smartphones, laptops, smart IoT devices, and industrial devices, have been found vulnerable to a high severity vulnerability that could allow attackers to spy on data transmitted between the two devices. The vulnerability, assigned as CVE-2019-9506 , resides in the way 'encryption key negotiation protocol' lets two Bluetooth BR/EDR devices choose an entropy value for encryption keys while pairing to secure their connection. Referred to as the Key Negotiation of Bluetooth ( KNOB ) attack, the vulnerability could allow remote attackers in close proximity to targeted devices to intercept, monitor, or manipulate encrypted Bluetooth traffic between two paired devices. The Bluetooth BR/EDR (Basic Rate/Enhanced Data Rate, also known as "Bluetooth Classic") is a wireless technology standard that has typically been designed for relatively short-range, continuous wireless connection such as streaming audio to headsets...
Cisco Releases Security Patches for TelePresence, RoomOS and Umbrella VA

Cisco Releases Security Patches for TelePresence, RoomOS and Umbrella VA

Apr 22, 2022
Networking equipment maker Cisco has released security updates to address three high-severity vulnerabilities in its products that could be exploited to cause a denial-of-service (DoS) condition and take control of affected systems. The first of the three flaws,  CVE-2022-20783  (CVSS score: 7.5), affects Cisco TelePresence Collaboration Endpoint (CE) Software and Cisco RoomOS Software, and stems from a lack of proper input validation, allowing an unauthenticated, remote attacker to send specially crafted traffic to the devices. "A successful exploit could allow the attacker to cause the affected device to either reboot normally or reboot into maintenance mode, which could result in a DoS condition on the device," the company  noted  in an advisory. Credited with discovering and reporting the flaw is the U.S. National Security Agency (NSA). The issue has been addressed in Cisco TelePresence CE Software versions 9.15.10.8 and 10.11.2.2. CVE-2022-20773  (CVS...
THN Weekly Roundup — 10 Most Important Stories You Shouldn't Miss

THN Weekly Roundup — 10 Most Important Stories You Shouldn't Miss

Jul 22, 2017
Here we are with our weekly roundup, briefing this week's top cyber security threats, incidents and challenges. This week has been very short with big news from shutting down of two of the largest Dark Web marketplaces and theft of millions of dollars in the popular Ethereum cryptocurrency to the discovery of new Linux malware leveraging SambaCry exploit. We are here with the outline of this week's stories, just in case you missed any of them. We recommend you read the entire thing ( just click 'Read More' because there's some valuable advice in there as well ). Here's the list of this Week's Top Stories: 1. Feds Shuts Down AlphaBay and Hansa Dark Web Markets — Dream Market Under Suspicion On Thursday, Europol announced that the authorities had shut down two of the largest criminal Dark Web markets — AlphaBay and Hansa — in what's being called the largest-ever international operation against the dark web's black market conducted by the...
Experts Reported Security Bug in IBM's Db2 Data Management Software

Experts Reported Security Bug in IBM's Db2 Data Management Software

Aug 20, 2020
Cybersecurity researchers today disclosed details of a memory vulnerability in IBM's Db2 family of data management products that could potentially allow a local attacker to access sensitive data and even cause a denial of service attacks. The flaw ( CVE-2020-4414 ), which impacts IBM Db2 V9.7, V10.1, V10.5, V11.1, and V11.5 editions on all platforms , is caused by improper usage shared memory, thereby granting a bad actor to perform unauthorized actions on the system. By sending a specially crafted request, an attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service, according to Trustwave SpiderLabs security and research team, which discovered the issue. "Developers forgot to put explicit memory protections around the shared memory used by the Db2 trace facility," SpiderLabs's Martin Rakhmanov said. "This allows any local users read and write access to that memory area. In turn, this allows accessing critic...
⚡ Weekly Recap: Vercel Hack, Push Fraud, QEMU Abused, New Android RATs Emerge & More

⚡ Weekly Recap: Vercel Hack, Push Fraud, QEMU Abused, New Android RATs Emerge & More

Apr 20, 2026 Cybersecurity / Hacking
Monday’s recap shows the same pattern in different places. A third-party tool becomes a way in, then leads to internal access. A trusted download path is briefly swapped to deliver malware. Browser extensions act normally while pulling data and running code. Even update channels are used to push payloads. It’s not breaking systems—it’s bending trust. There’s also a shift in how attacks run. Slower check-ins, multi-stage payloads, andmore code kept in memory. Attackers lean on real tools and normal workflows instead of custom builds. Some cases hint at supply-chain spread, where one weak link reaches further than expected. Go through the whole recap. The pattern across access, execution, and control only shows up when you see it all together. ⚡ Threat of the Week Vercel Discloses Data Breach —Web infrastructure provider Vercel has disclosed a security breach that allows bad actors to gain unauthorized access to "certain" internal Vercel systems. The incident originated f...
⚡ Weekly Recap: Firewall Flaws, AI-Built Malware, Browser Traps, Critical CVEs & More

⚡ Weekly Recap: Firewall Flaws, AI-Built Malware, Browser Traps, Critical CVEs & More

Jan 26, 2026 Hacking News / Cybersecurity
Security failures rarely arrive loudly. They slip in through trusted tools, half-fixed problems, and habits people stop questioning. This week’s recap shows that pattern clearly. Attackers are moving faster than defenses, mixing old tricks with new paths. “Patched” no longer means safe, and every day, software keeps becoming the entry point. What follows is a set of small but telling signals. Short updates that, together, show how quickly risk is shifting and why details can’t be ignored. ⚡ Threat of the Week Improperly Patched Flaw Exploited Again in Fortinet Firewalls — Fortinet confirmed that it's working to completely plug a FortiCloud SSO authentication bypass vulnerability following reports of fresh exploitation activity on fully-patched firewalls. "We have identified a number of cases where the exploit was to a device that had been fully upgraded to the latest release at the time of the attack, which suggested a new attack path," the company said. The activi...
ThreatsDay Bulletin: New RCEs, Darknet Busts, Kernel Bugs & 25+ More Stories

ThreatsDay Bulletin: New RCEs, Darknet Busts, Kernel Bugs & 25+ More Stories

Jan 29, 2026 Cybersecurity / Hacking News
This week’s updates show how small changes can create real problems. Not loud incidents, but quiet shifts that are easy to miss until they add up. The kind that affects systems people rely on every day. Many of the stories point to the same trend: familiar tools being used in unexpected ways. Security controls are being worked on. Trusted platforms turning into weak spots. What looks routine on the surface often isn’t. There’s no single theme driving everything — just steady pressure across many fronts. Access, data, money, and trust are all being tested at once, often without clear warning signs. This edition pulls together those signals in short form, so you can see what’s changing before it becomes harder to ignore. Major cybercrime forum takedown FBI Seizes RAMP Forum The U.S. Federal Bureau of Investigation (FBI) has seized the notorious RAMP cybercrime forum. Visitors to the forum's Tor site and its clearnet domain, ramp4u...
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