Vulnerability 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.
CVSS Score
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Golang | Go | < 1.15.13 |
Related Weaknesses (CWE)
References
- https://groups.google.com/g/golang-announceThird Party Advisory
- https://groups.google.com/g/golang-announce/c/RgCMkAEQjSIExploitPatchThird Party Advisory
- https://security.gentoo.org/glsa/202208-02Third Party Advisory
- https://groups.google.com/g/golang-announceThird Party Advisory
- https://groups.google.com/g/golang-announce/c/RgCMkAEQjSIExploitPatchThird Party Advisory
- https://security.gentoo.org/glsa/202208-02Third Party Advisory
FAQ
What is CVE-2021-33197?
CVE-2021-33197 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 severe is CVE-2021-33197?
CVE-2021-33197 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-33197?
Check the references section above for vendor advisories and patch information. Affected products include: Golang Go.