@gbhackers.com
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SonicWall firewalls are facing a critical threat due to a high-severity authentication bypass vulnerability, identified as CVE-2024-53704. This flaw allows attackers to hijack active SSL VPN sessions, potentially granting them unauthorized access to networks. Bishop Fox researchers discovered nearly 4,500 internet-exposed SonicWall firewalls at risk, highlighting the widespread nature of the vulnerability. The affected SonicOS versions include 7.1.x, 7.1.2-7019, and 8.0.0-8035, which are used in various Gen firewalls.
A proof-of-concept exploit has been released for CVE-2024-53704, increasing the urgency for organizations to apply the necessary patches. The exploit involves sending a specially crafted session cookie to the SSL VPN endpoint, bypassing authentication mechanisms, including multi-factor authentication. By exploiting this vulnerability, attackers can access sensitive internal resources, Virtual Office bookmarks, and VPN client configurations, establishing new VPN tunnels into private networks. SonicWall has urged organizations to immediately apply patches to mitigate the vulnerability.
Recommended read:
References :
- gbhackers.com: SonicWall firewalls running specific versions of SonicOS are vulnerable to a critical authentication bypass flaw, tracked as CVE-2024-53704, which allows attackers to hijack active SSL VPN sessions. This vulnerability has been classified as high-risk, with a CVSS score of 8.2.
- MSSP feed for Latest: Nearly 4,500 internet-exposed SonicWall firewalls were discovered by Bishop Fox researchers to be at risk of having their VPN sessions taken over in attacks exploiting a recently patched high-severity authentication bypass flaw within the SonicOS SSLVPN application, tracked as CVE-2024-53704, according to BleepingComputer.
- cyberpress.org: A critical security flaw, CVE-2024-53704, has been identified in SonicWall’s SonicOS SSLVPN application, enabling remote attackers to bypass authentication and hijack active SSL VPN sessions.
- securityaffairs.com: Detailed findings and mitigation strategies related to the SonicWall firewall bug.
- Cyber Security News: SonicWall Firewalls Exploit Let Attackers Remotely Hack Networks Via SSL VPN Sessions Hijack
- gbhackers.com: SonicWall Firewalls Exploit Hijack SSL VPN Sessions to Gain Networks Access
- www.bleepingcomputer.com: SonicWall firewall exploit lets hackers hijack VPN sessions, patch now
- arcticwolf.com: Arctic Wolf Observes Authentication Bypass Exploitation Attempts Targeting SonicWall Firewalls (CVE-2024-53704)
- Arctic Wolf: Arctic Wolf Observes Authentication Bypass Exploitation Attempts Targeting SonicWall Firewalls (CVE-2024-53704)
- arcticwolf.com: On February 10, 2025, Bishop Fox published technical details and proof-of-concept (PoC) exploit code for CVE-2024-53704, a high-severity authentication bypass vulnerability caused by a flaw in the SSLVPN authentication mechanism in SonicOS, the operating system used by SonicWall firewalls. Shortly after the PoC was made public, Arctic Wolf began observing exploitation attempts of this vulnerability
- Arctic Wolf: Arctic Wolf Observes Authentication Bypass Exploitation Attempts Targeting SonicWall Firewalls (CVE-2024-53704)
- The Register - Security: SonicWall firewalls now under attack: Patch ASAP or risk intrusion via your SSL VPN
- bishopfox.com: https://bishopfox.com/blog/sonicwall-cve-2024-53704-ssl-vpn-session-hijacking
- Christoffer S.: Arctic Wolf: Published a blog about observing active exploitation of SonicWALL vulnerability, which Bishop Fox published a PoC for on Feb 10. Unfortunately NO indicators or otherwise actionable intelligence provided beyond active exploitation.
- BleepingComputer: Attackers are now targeting an authentication bypass vulnerability affecting SonicWall firewalls shortly after the release of proof-of-concept (PoC) exploit code.
- heise online English: Patch Sonicwall now! Attackers bypass authentication of firewalls Attacks are currently taking place on Sonicwall firewalls. Security updates are available for download.
- www.bleepingcomputer.com: BleepingComputer reports on attackers exploiting a SonicWall firewall vulnerability after the release of PoC exploit code.
- Anonymous ???????? :af:: Attackers are now targeting an authentication bypass vulnerability affecting SonicWall firewalls shortly after the release of proof-of-concept (PoC) exploit code.
- www.heise.de: Heise Online article urging users to patch their SonicWall devices.
- www.bleepingcomputer.com: Attackers are now targeting an authentication bypass vulnerability affecting SonicWall firewalls shortly after the release of proof-of-concept (PoC) exploit code.
- securityonline.info: SonicWall Firewalls Under Attack: CVE-2024-53704 Exploited in the Wild, PoC Released
@gbhackers.com
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A massive brute force password attack is currently targeting a wide range of networking devices, including VPNs and firewalls from Palo Alto Networks, Ivanti, and SonicWall. The attack, which began recently, utilizes almost 2.8 million IP addresses in an attempt to guess the credentials for these devices. Once access is gained, threat actors can hijack devices or gain access to entire networks.
A brute force attack involves repeatedly attempting to log into an account or device using numerous username and password combinations until the correct one is discovered. This type of attack highlights the importance of strong, unique passwords and multi-factor authentication to protect sensitive systems and data from unauthorized access. The attack was first reported by BleepingComputer on February 8, 2025.
Recommended read:
References :
- BleepingComputer: A large-scale brute force password attack using almost 2.8 million IP addresses is underway, attempting to guess the credentials for a wide range of networking devices, including those from
 Palo Alto Networks, Ivanti, and SonicWall.
- www.bleepingcomputer.com: Massive brute force attack uses 2.8 million IPs to target VPN devices
- Anonymous ???????? :af:: A large-scale brute force password attack using almost 2.8 million IP addresses is underway
- BleepingComputer: Massive brute force attack uses 2.8 million IPs to target VPN devices
- Troy Hunt: Infosec.exchange post about the large-scale brute-force attack targeting networking devices.
- bsky.app: BleepingComputer post on the brute-force attack targeting Palo Alto, Ivanti and Sonicwall devices.
- bsky.app: BleepingComputer mentions the attack in a news summary.
- www.scworld.com: Millions of IP addresses leveraged in ongoing brute force intrusion
- gbhackers.com: Massive brute force attacks targeting VPNs and firewalls have surged in recent weeks, with cybercriminals using as many as 2.8 million unique IP addresses daily to conduct relentless login attempts.
- securityboulevard.com: Security Boulevard report on Major brute force attack
info@thehackernews.com (The Hacker News)@The Hacker News
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Critical vulnerabilities have been discovered in Palo Alto Networks firewall devices, potentially allowing attackers to bypass Secure Boot protections and exploit firmware-level flaws. Security firm Eclypsium evaluated three Palo Alto Network appliances, including the PA-3260, PA-1410, and PA-415, uncovering a range of well-known vulnerabilities collectively named "PANdora's Box". These flaws include "Boothole," a buffer overflow vulnerability leading to remote code execution, secure boot bypass issues, and vulnerabilities like LogoFail and PixieFail. These issues could allow attackers to gain elevated privileges, maintain persistence, and completely compromise firewall devices.
The identified vulnerabilities include seven CVEs, and additionally insecure flash access controls and leaked keys which compromise the integrity of the boot process. These flaws, ranging from boot process exploits to vulnerabilities within InsydeH2O UEFI firmware, could lead to privilege escalation, malicious code execution during startup, and information disclosure. Palo Alto Networks is aware of these claims and is working with third party vendors to develop firmware updates, although they state that the vulnerabilities are not exploitable under normal conditions with up-to-date and secured management interfaces, and do not affect PAN-OS CN-Series, PAN-OS VM-Series, Cloud NGFW and Prisma Access.
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References :
- eclypsium.com: Eclysium evaluated three Palo Alto Networks appliances, finding known vulnerabilities ranging from "Boothole" (buffer overflow to RCE) and secure boot bypass to LogoFail, PixieFail, leaked keys bypass, etc.
- security.paloaltonetworks.com: Palo Alto Networks Addresses Impact of BIOS, Bootloader Vulnerabilities on Its Firewalls
- The Hacker News: Palo Alto firewalls found vulnerable to secure boot bypass and firmware exploits
- : Palo Alto Networks See parent toot above. Palo Alto Networks is in damage control mode, after Eclypsium reported that their Next Generation Firewall (NGFW) products were still impacted by multiple known vulnerabilities. Palo Alto Networks is aware of claims of multiple vulnerabilities in hardware device firmware and bootloaders included in our PA-Series (hardware) firewalls. Palo Alto Networks is not aware of any malicious exploitation of these issues in our products. We are aware of a blog post discussing these issues.
- Pyrzout :vm:: Palo Alto Networks Addresses Impact of BIOS, Bootloader Vulnerabilities on Its Firewalls – Source: www.securityweek.com
- Patrick C Miller :donor:: Palo Alto Networks Addresses Impact of BIOS, Bootloader Vulnerabilities on Its Firewalls - SecurityWeek
- ciso2ciso.com: Palo Alto Networks Addresses Impact of BIOS, Bootloader Vulnerabilities on Its Firewalls – Source: www.securityweek.com
@gbhackers.com
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A critical authentication bypass vulnerability, identified as CVE-2024-53704, in SonicWall firewalls is under active exploitation. Security firms are warning that attackers are now targeting this flaw following the public release of proof-of-concept exploit code. The vulnerability allows attackers to bypass authentication, posing a significant risk to affected systems.
Security updates are available for download to address the issue, and users are strongly urged to patch their SonicWall firewalls immediately. Attacks are currently taking place, making prompt action essential to mitigate potential exploits. The vulnerability highlights the importance of keeping security infrastructure up-to-date to defend against emerging threats.
Recommended read:
References :
- BleepingComputer: Attackers are now targeting an authentication bypass vulnerability affecting SonicWall firewalls shortly after the release of proof-of-concept (PoC) exploit code.
- Anonymous ???????? :af:: Attackers are now targeting an authentication bypass vulnerability affecting SonicWall firewalls shortly after the release of proof-of-concept (PoC) exploit code.
- heise online English: Patch Sonicwall now! Attackers bypass authentication of firewalls Attacks are currently taking place on Sonicwall firewalls. Security updates are available for download.
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