Vulnerability in Golang Go
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.
Vulnerability class: Race Condition
EPSS: 0.031 (86.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Golang Go
- Oracle Timesten_in-memory_database
- Siemens Scalance_lpe9403
- Siemens Scalance_lpe9403_firmware
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 33, 34, 35
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org
- cve@mitre.org (Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-36221?
- CVE-2021-36221 is a medium-severity vulnerability in Golang Go, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.9/10. Published 2021-08-08.
- How severe is CVE-2021-36221?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2021-36221 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.