Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in SonicOS - CVE-2024-40762

 

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in SonicOS - CVE-2024-40762

Published: January 8, 2025 / Updated: January 10, 2025


Vulnerability identifier: #VU102453
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-40762
CWE-ID: CWE-338
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: SonicWall
Affected software:
SonicOS

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authentication.

The vulnerability exists due to generation of a weak token for SonicOS SSLVPN authentication. A remote attacker can guess the authentication token and gain unauthorized access to the network.


How to mitigate CVE-2024-40762

Install updates from vendor's website.

Sources