{"id":"CVE-2020-28194","details":"Variable underflow exists in accel-ppp radius/packet.c when receiving a RADIUS vendor-specific attribute with length field is less than 2. It has an impact only when the attacker controls the RADIUS server, which can lead to arbitrary code execution.","aliases":["GHSA-2m44-rh3c-x4gr"],"modified":"2026-05-11T12:07:57.415723Z","published":"2021-02-01T14:15:12.240Z","database_specific":{"unresolved_ranges":[{"source":"CPE_FIELD","cpe":"cpe:2.3:a:accel-ppp:accel-ppp:*:*:*:*:*:*:*:*","extracted_events":[{"fixed":"1.12.0-e9d369a"}]}]},"references":[{"type":"FIX","url":"https://github.com/accel-ppp/accel-ppp/commit/e9d369aa0054312b7633e964e9f7eb323f1f3d69"},{"type":"FIX","url":"https://github.com/accel-ppp/accel-ppp/security/advisories/GHSA-2m44-rh3c-x4gr"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/accel-ppp/accel-ppp","events":[{"introduced":"0"},{"fixed":"e9d369aa0054312b7633e964e9f7eb323f1f3d69"}],"database_specific":{"source":"REFERENCES"}}],"versions":["1.10.0","1.12.0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-28194.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}