CVE-2021-33197
Attacker can drop certain headers in net/http/httputil
5.3
MEDIUM
CVSS 3.1
EPSS 0.04%
Description
In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy (from net/http/httputil) result in a situation where an attacker is able to drop arbitrary headers.
How to fix CVE-2021-33197
To remediate CVE-2021-33197, upgrade the affected package to a fixed version below.
- Bitnami/golang—upgrade to 1.15.13 or later
- —upgrade to 1.15.9-5 or later
- —upgrade to 1.15.13 or later
Is CVE-2021-33197 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.15.13, >= 1.16.0, < 1.16.5
- from 0, < 1.15.9-5
- from 0, < 1.15.13, >= 1.16.0-0, < 1.16.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |