What is CVE-2020-28194?

CVE-2020-28194 is a critical-severity vulnerability in Accel-Ppp, classified under Integer Underflow. CVSS score: 9.8/10. Published 2021-02-01.

How severe is CVE-2020-28194?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Integer overflow in Accel-Ppp

CVE-2020-28194

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.

EPSS: 0.027 (84.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Accel-ppp
N/a — versions n/a

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-28194?: CVE-2020-28194 is a critical-severity vulnerability in Accel-Ppp, classified under Integer Underflow. CVSS score: 9.8/10. Published 2021-02-01.
How severe is CVE-2020-28194?: Critical severity. CVSS v3 base score is 9.8 out of 10.