What is CVE-2021-37148?

CVE-2021-37148 is a high-severity vulnerability in Apache Traffic Server, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-11-03.

How severe is CVE-2021-37148?

High severity. CVSS v3 base score is 7.5 out of 10.

Improper input validation in Apache Traffic Server

CVE-2021-37148

Improper input validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.0.1.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.025 (83.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Apache Traffic_server
Apache Software Foundation Traffic Server — versions 8.0.0 to 8.1.2 and 9.0.0 to 9.0.1
Debian Debian_linux — versions 10.0, 11.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

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-2021-37148?: CVE-2021-37148 is a high-severity vulnerability in Apache Traffic Server, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-11-03.
How severe is CVE-2021-37148?: High severity. CVSS v3 base score is 7.5 out of 10.