What is CVE-2021-38161?

CVE-2021-38161 is a high-severity vulnerability in Apache Traffic_server, classified under Improper Authentication. CVSS score: 8.1/10. Published 2021-11-03.

How severe is CVE-2021-38161?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Apache Traffic_server

CVE-2021-38161

Improper Authentication vulnerability in TLS origin verification of Apache Traffic Server allows for man in the middle attacks. This issue affects Apache Traffic Server 8.0.0 to 8.0.8.

Vulnerability class: Broken Authentication

EPSS: 0.019 (77.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apache Traffic_server
Apache Software Foundation Traffic Server — versions 8.0.0 to 8.0.8
Debian Debian_linux — versions 10.0, 11.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security@apache.org (Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
security@apache.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)

Frequently asked questions

What is CVE-2021-38161?: CVE-2021-38161 is a high-severity vulnerability in Apache Traffic_server, classified under Improper Authentication. CVSS score: 8.1/10. Published 2021-11-03.
How severe is CVE-2021-38161?: High severity. CVSS v3 base score is 8.1 out of 10.