{"id":"CVE-2021-42870","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-42870","generatedAt":"2026-10-27T17:40:25.015Z","title":"ACCEL-PPP 1.12.0 has an out-of-bounds read in post_msg when processing a call_clear_request.","description":"ACCEL-PPP 1.12.0 has an out-of-bounds read in post_msg when processing a call_clear_request.","published":"2022-05-16T14:15:08.000Z","lastModified":"2026-06-17T04:10:14.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-125"],"affected":["accel-ppp/accel-ppp"],"epss":{"score":0.01049,"percentile":0.64006,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/xebd/accel-ppp/issues/158","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/xebd/accel-ppp/issues/158","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-42870","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}