What is CVE-2024-21762? What is the FortiOS security vulnerability ?

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19 Haz 2021
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What is CVE-2024-21762? What is the FortiOS security vulnerability ?
CVE-2024-21762 has been identified as a critical security vulnerability in Fortinet's FortiOS SSL VPN functionality. This is classified as a remote code execution vulnerability. Put simply, it's a flaw in the security systems of a network that could potentially allow unauthorized external access, akin to a hidden flaw in a fortress's defenses. The severity of this security vulnerability has been emphasized with a high CVSS score ranging from 9.6 to 9.8, indicating a significant level of risk. Reports suggest that this security flaw is already being exploited everywhere, though specific details about such exploits are currently scarce.

Effects of the Security Vulnerability
The impact of CVE-2024-21762 is broad and affects multiple versions of FortiOS. This security vulnerability could enable malicious actors to execute commands or gain access to systems without proper authorization. This could lead to exposure of sensitive data or disruptions in network operations. It's crucial for organizations using affected versions of FortiOS to patch their systems immediately.

Patches Available
Fortinet has promptly released updates to address this critical security vulnerability in the FortiOS operating system. As mentioned, the security flaw affects FortiOS' SSL VPN functionality. To mitigate this security vulnerability, Fortinet recommends updating affected FortiOS versions to the latest releases. Specifically, users should upgrade to the following versions or higher, depending on their current version:

FortiOS 7.4: Upgrade to version 7.4.3 or above.
FortiOS 7.2: Upgrade to version 7.2.7 or above.
FortiOS 7.0: Upgrade to version 7.0.14 or above.
FortiOS 6.4: Upgrade to version 6.4.15 or above.
FortiOS 6.2: Upgrade to version 6.2.16 or above.
For those using affected FortiOS 6.0 versions, considering that all versions of FortiOS 6.0 are impacted, the recommendation is to transition to a fixed version. Implementing these updates is critically important to protect against potential exploitation of the network through this security vulnerability. In cases where immediate patching is not feasible, Fortinet recommends temporarily disabling the SSL VPN feature as a temporary security measure.​


Source: CVE-2024-21762 Nedir ? FortiOS Güvenlik Açığı
 
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