CVE-2024-40762 Weak cryptography in SonicOS
Attackers can predict SSLVPN authentication tokens due to weak PRNG usage, potentially bypassing authentication on SonicWall devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-40762?
CVE-2024-40762 is a critical vulnerability in SonicWall SonicOS, published on 9 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in the SonicOS SSLVPN authentication token generator that, in certain cases, can be predicted by an attacker potentially resulting in authentication bypass.
Weakness: CWE-338
Which versions are affected by CVE-2024-40762?
How do I fix CVE-2024-40762?
No fix has been published for CVE-2024-40762 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-40762 being exploited?
There is no known exploitation of CVE-2024-40762 in the wild and no public exploit code.
Sources
Also known as GHSA-cpr8-m35v-9vv2.