CVE-2021-33197

MEDIUM

Go <1.15.13, <1.16.5 - Info Disclosure

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Third Party Advisory x_refsource_misc
https://groups.google.com/g/golang-announce
Exploit, Patch, Third Party Advisory x_refsource_misc
https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202208-02

Scores

CVSS v3 5.3
EPSS 0.0004
EPSS Percentile 11.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Details

CWE
CWE-862
Status published
Products (1)
golang/go < 1.15.13
Published Aug 02, 2021
Tracked Since Feb 18, 2026