cisco
Cisco warns of Identity Service Engine flaw with exploit code
Cisco has patched a vulnerability in its Identity Services Engine (ISE) network access control solution, with public proof-of-concept exploit code, that can be abused by attackers with admin privileges. Enterprise admins use Cisco ISE to manage endpoint, user, and device access to network resources while enforcing a zero-trust architecture. The security flaw (CVE-2026-20029) affects Cisco […]
New password spraying attacks target Cisco, PAN VPN gateways
An automated campaign is targeting multiple VPN platforms, with credential-based attacks being observed on Palo Alto Networks GlobalProtect and Cisco SSL VPN. On December 11, threat monitoring platform GreyNoise observed the number of login attempts aimed at GlobalProtect portals peaked at 1.7 million during a period of 16 hours. Collected data showed that the attacks originated from […]
Cisco warns of unpatched AsyncOS zero-day exploited in attacks
Cisco warned customers today of an unpatched, maximum-severity Cisco AsyncOS zero-day actively exploited in attacks targeting Secure Email Gateway (SEG) and Secure Email and Web Manager (SEWM) appliances. This yet-to-be-patched zero-day (CVE-2025-20393) affects only Cisco SEG and Cisco SEWM appliances with non-standard configurations, when the Spam Quarantine feature is enabled and exposed on the Internet. […]
CISA warns feds to fully patch actively exploited Cisco flaws
CISA warned U.S. federal agencies to fully patch two actively exploited vulnerabilities in Cisco Adaptive Security Appliances (ASA) and Firepower devices. Tracked as CVE-2025-20362 and CVE-2025-20333, these security flaws allow remote threat actors to access restricted URL endpoints without authentication and gain code execution on vulnerable Cisco firewall devices, respectively. If chained, they can enable unauthenticated attackers to […]
Cisco: Actively exploited firewall flaws now abused for DoS attacks
Cisco warned this week that two vulnerabilities, which have been used in zero-day attacks, are now being exploited to force ASA and FTD firewalls into reboot loops. The tech giant released security updates on September 25 to address the two security flaws, stating that CVE-2025-20362 enables remote threat actors to access restricted URL endpoints without authentication, while CVE-2025-20333 allows authenticated attackers […]
Critical Cisco UCCX flaw lets attackers run commands as root
Cisco has released security updates to patch a critical vulnerability in the Unified Contact Center Express (UCCX) software, which could enable attackers to execute commands with root privileges. The Cisco UCCX platform, described by the company as a “contact center in a box,” is a software solution for managing customer interactions in call centers, supporting up […]
Australia warns of BadCandy infections on unpatched Cisco devices
The Australian government is warning about ongoing cyberattacks against unpatched Cisco IOS XE devices in the country to infect routers with the BadCandy webshell. The vulnerability exploited in these attacks is CVE-2023-20198, a max-severity flaw that allows remote unauthenticated threat actors to create a local admin user via the web user interface and take over […]
Nearly 50,000 Cisco firewalls vulnerable to actively exploited flaws
Roughly 50,000 Cisco Adaptive Security Appliance (ASA) and Firewall Threat Defense (FTD) appliances exposed on the public web are vulnerable to two vulnerabilities actively leveraged by hackers. The flaws, tracked as CVE-2025-20333 and CVE-2025-20362, enable arbitrary code execution and access to restricted URL endpoints associated with VPN access. Both security issues can be exploited remotely […]
CISA orders agencies to patch Cisco flaws exploited in zero-day attacks
CISA has issued a new emergency directive ordering U.S. federal agencies to secure their Cisco firewall devices against two flaws that have been exploited in zero-day attacks. Emergency Directive 25-03 was issued to Federal Civilian Executive Branch (FCEB) agencies on September 25 and requires them to patch CVE-2025-20333 and CVE-2025-20362 vulnerabilities in Adaptive Security Appliance (ASA) and Firewall Threat […]
Cisco warns of ASA firewall zero-days exploited in attacks
Cisco warned customers today to patch two zero-day vulnerabilities that are actively being exploited in attacks and impact the company’s firewall software. The first one (CVE-2025-20333) allows authenticated, remote attackers to execute arbitrary code on devices running vulnerable Adaptive Security Appliance (ASA) and Firewall Threat Defense (FTD) software, while the second (CVE-2025-20362) enables remote attackers […]