CVE-2021-33197
MEDIUM
5.3
CVSS Score
Published: August 2, 2021 at 06:54 PM UTC
Updated: June 17, 2026 at 03:54 AM UTC
1 product affected across 1 vendorGo
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Severity
MEDIUM5.3
Exploit prediction
EPSS 2%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (3)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://groups.google.com/g/golang-announcex_refsource_MISCExploitPatchThird Party Advisory
Source: [email protected]
https://groups.google.com/g/golang-announce/c/RgCMkAEQjSIVendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202208-02CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-862
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