CVE-2021-37147
trafficserver - security update
7.5
HIGH
CVSS 3.1
EPSS 0.89%
Description
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 9.1.0.
How to fix CVE-2021-37147
To remediate CVE-2021-37147, upgrade the affected package to a fixed version below.
- Debian/trafficserver—upgrade to 8.1.1+ds-1.1+deb11u1 or later
- —upgrade to 8.0.2+ds-1+deb10u6 or later
Is CVE-2021-37147 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 8.1.1+ds-1.1+deb11u1
- from 0, < 8.0.2+ds-1+deb10u6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |