CVE-2021-37148
7.5
HIGH
CVSS 3.1
EPSS 1.4%
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 9.0.1.
How to fix CVE-2021-37148
To remediate CVE-2021-37148, upgrade the affected package to a fixed version below.
- Debian/trafficserver—upgrade to 8.1.1+ds-1.1+deb11u1 or later
Is CVE-2021-37148 being exploited?
Low — EPSS is 1.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 8.1.1+ds-1.1+deb11u1
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 |