Firewall
Fortinet warns of auth bypass zero-day exploited to hijack firewalls
Attackers are exploiting a new authentication bypass zero-day vulnerability in FortiOS and FortiProxy to hijack Fortinet firewalls and breach enterprise networks. This security flaw (tracked as CVE-2024-55591) impacts FortiOS 7.0.0 through 7.0.16, FortiProxy 7.0.0 through 7.0.19, and FortiProxy 7.2.0 through 7.2.12. Successful exploitation allows remote attackers to gain super-admin privileges by making malicious requests to the […]
SonicWall urges admins to patch exploitable SSLVPN bug immediately
SonicWall is emailing customers urging them to upgrade their firewall’s SonicOS firmware to patch an authentication bypass vulnerability in SSL VPN and SSH management that is “susceptible to actual exploitation.” In an email sent to SonicWall customers and shared on Reddit, the firewall vendor says the patches are available as of yesterday, and all impacted customers should install them […]
Hackers exploit KerioControl firewall flaw to steal admin CSRF tokens
Hackers are trying to exploit CVE-2024-52875, a critical CRLF injection vulnerability that leads to 1-click remote code execution (RCE) attacks in GFI KerioControl firewall product. KerioControl is a network security solution designed for small and medium-sized businesses that combines firewall, VPN, bandwidth management, reporting and monitoring, traffic filtering, AV protection, and intrusion prevention. On December 16, 2024, […]
Hackers exploit DoS flaw to disable Palo Alto Networks firewalls
Palo Alto Networks is warning that hackers are exploiting the CVE-2024-3393 denial of service vulnerability to disable firewall protections by forcing it to reboot. Leveraging the security issue repeatedly, however, causes the device to enter maintenance mode and manual intervention is required to restore it to normal operations. “A Denial of Service vulnerability in the DNS […]
Sophos discloses critical Firewall remote code execution flaw
Sophos has addressed three vulnerabilities in its Sophos Firewall product that could allow remote unauthenticated threat actors to perform SQL injection, remote code execution, and gain privileged SSH access to devices. The vulnerabilities affect Sophos Firewall version 21.0 GA (21.0.0) and older, with the company already releasing hotfixes that are installed by default and permanent fixes […]
Over 25,000 SonicWall VPN Firewalls exposed to critical flaws
Over 25,000 publicly accessible SonicWall SSLVPN devices are vulnerable to critical severity flaws, with 20,000 using a SonicOS/OSX firmware version that the vendor no longer supports. These results come from an analysis conducted by cybersecurity firm Bishop Fox, which was motivated by a series of important vulnerabilities disclosed this year impacting SonicWall devices. Vulnerabilities affecting SonicWall […]
US sanctions Chinese firm for hacking firewalls in ransomware attacks
The U.S. Treasury Department has sanctioned Chinese cybersecurity company Sichuan Silence and one of its employees for their involvement in a series of Ragnarok ransomware attacks targeting U.S. critical infrastructure companies and many other victims worldwide in April 2020. According to the Department’s Office of Foreign Assets Control (OFAC), Sichuan Silence is a Chengdu-based cybersecurity […]
Palo Alto Networks patches two firewall zero-days used in attacks
Palo Alto Networks has finally released security updates for two actively exploited zero-day vulnerabilities in its Next-Generation Firewalls (NGFW). The first flaw, tracked as CVE-2024-0012, is an authentication bypass found in the PAN-OS management web interface that remote attackers can exploit to gain administrator privileges without requiring authentication or user interaction. The second one (CVE-2024-9474) is a PAN-OS privilege escalation […]
CISA warns of more Palo Alto Networks bugs exploited in attacks
CISA warned today that two more critical security vulnerabilities in Palo Alto Networks’ Expedition migration tool are now actively exploited in the wild. Attackers can use the two unauthenticated command injection (CVE-2024-9463) and SQL injection (CVE-2024-9465) vulnerabilities to hack into unpatched systems running the company’s Expedition migration tool, which helps migrate configurations from Checkpoint, Cisco, […]
Palo Alto Networks warns of potential PAN-OS RCE vulnerability
Today, cybersecurity company Palo Alto Networks warned customers to restrict access to their next-generation firewalls because of a potential remote code execution vulnerability in the PAN-OS management interface. In a security advisory published on Friday, the company said it doesn’t yet have additional information regarding this alleged security flaw and added that it has yet to […]