CVE-2021-36221
MEDIUMCVSS 5.9/10EPSS 3.13%
Last modified
CVE-2021-36221 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Go before 1.15.15 and 1.16.x before 1.16.7 has a race condition that can lead to a net/http/httputil ReverseProxy panic upon an ErrAbortHandler abort.. EPSS estimates a 3.13% chance of exploitation in the next 30 days.
Description
Go before 1.15.15 and 1.16.x before 1.16.7 has a race condition that can lead to a net/http/httputil ReverseProxy panic upon an ErrAbortHandler abort.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Golang | Go | < 1.15.15 |
| Golang | Go | >= 1.16.0, < 1.16.7 |
| Fedoraproject | Fedora | 33 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
| Debian | Debian Linux | 9.0 |
| Oracle | Timesten In-Memory Database | < 21.1.1.1.0 |
| Siemens | Scalance Lpe9403 Firmware | < 2.0 |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdfPatch, Third Party Advisory
- https://groups.google.com/g/golang-announce/c/JvWG9FUUYT0Mailing List, Third Party Advisory
- https://groups.google.com/g/golang-announce/c/uHACNfXAZqkMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00016.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00017.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-02Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdfPatch, Third Party Advisory
- https://groups.google.com/g/golang-announce/c/JvWG9FUUYT0Mailing List, Third Party Advisory
- https://groups.google.com/g/golang-announce/c/uHACNfXAZqkMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00016.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/01/msg00017.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-02Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-36221?
Go before 1.15.15 and 1.16.x before 1.16.7 has a race condition that can lead to a net/http/httputil ReverseProxy panic upon an ErrAbortHandler abort.
How severe is CVE-2021-36221?
CVE-2021-36221 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 3.13% probability of exploitation in the next 30 days.
How do I fix CVE-2021-36221?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-36221?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST