Home/CVE/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
CVE

CVE-2021-33197

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

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.

MEDIUM · CVSS 5.3 EPSS 0.00039
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-862Missing Authorization
▤

Affected Products & Versions

2
golang go< 1.15.13
golang go>= 1.16.0 and < 1.16.5
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go stdlib fixed in 1.15.13, 1.16.5
⚠

Public Exploits & PoCs

1
pocgroups.google.com · RgCMkAEQjSIgroups.google.com
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Aug 2021 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
⚑

Vendor Advisories

30
msrcCVE-2021-33197
suse-csafopenSUSE-SU-2024:10808-1
suse-csafopenSUSE-SU-2024:10809-1
rhsaRHSA-2022:8008Low
rhsaRHSA-2022:0947Moderate
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://groups.google.com/g/golang-announceThird Party Advisory
https://security.gentoo.org/glsa/202208-02Third Party Advisory
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