{"id":"CVE-2024-40762","published":"2025-01-09T06:43:25Z","modified":"2025-01-09T15:08:11Z","title":"Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in the SonicOS SSLVPN authentication token…","vendor":"SonicWall","product":"SonicOS","tier":"core","eol":null,"affectedVersions":[{"vendor":"SonicWall","product":"SonicOS","versions":["7.1.1-7058 and older versions","7.1.2-7019","8.0.0-8035"]}],"description":{"text":"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.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"CISA ADP Vulnrichment"},"epss":{"score":0.01025,"percentile":0.63501,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2026-02-05","exploitedFirstSeen":"2026-02-05","ransomware":false,"evidence":[{"url":"https://3354902.hs-sites.com/hubfs/Consulting/TTP%20Briefing/Q4%202025/Cybereason_TTP%20Briefing_%20Q42025.pdf","date":"2026-02-05"},{"url":"https://www.levelblue.com/blogs/spiderlabs-blog/levelblue-ttp-briefing-q3-2026-trusted-access-fuels-data-theft","date":"2026-10-28"}],"evidenceTotal":2,"provenance":"source"},"exploited":true,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-338","name":"Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)"}],"references":[{"url":"https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0003","tags":["vendor-advisory"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2024-38819","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-38819","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2025-01-09","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2024-40762","provenance":"source"},{"date":"2026-02-05","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://3354902.hs-sites.com/hubfs/Consulting/TTP%20Briefing/Q4%202025/Cybereason_TTP%20Briefing_%20Q42025.pdf","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":59.6,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":5.0,"detail":"added 267 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":12.7,"detail":"percentile 0.6350"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}