CVE-2020-28194

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 1, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-28194: Critical severity, CVSS 9.8 | Vulnix