Cyber Resilience

CVE-2020-28194

Critical

Published: 01 February 2021

Published
01 February 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0063 70.9th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-28194 is a critical-severity Wrap or Wraparound (CWE-191) vulnerability in Accel-Ppp Accel-Ppp. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 29.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability 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.

CWE(s)
CWE-191

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

accel-ppp
accel-ppp
≤ 1.12.0-e9d369a

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References