VULNERABILITY INTELLIGENCE

CVE-2020-28194

CVSS score9.8 CRITICAL
EPSS probability3.13%
CISA KEVNot currently listed
Published2021-02-01
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • nvd@nist.gov: CWE-191

Primary references