What is CVE-2024-40762?

CVE-2024-40762 is a critical-severity vulnerability in Sonicwall Sonicos, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 9.8/10. Published 2025-01-09.

How severe is CVE-2024-40762?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Sonicwall Sonicos

CVE-2024-40762

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.

EPSS: 0.010 (58.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sonicwall Sonicos — versions 7.1.1-7058 and older versions, 7.1.2-7019, 8.0.0-8035

Weakness classification (CWE)

CWE-338 — Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

PSIRT@sonicwall.com (vendor-advisory)

Frequently asked questions

What is CVE-2024-40762?: CVE-2024-40762 is a critical-severity vulnerability in Sonicwall Sonicos, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 9.8/10. Published 2025-01-09.
How severe is CVE-2024-40762?: Critical severity. CVSS v3 base score is 9.8 out of 10.