Vulnerability in Golang Go
CVE-2021-44717
Go before 1.16.12 and 1.17.x before 1.17.5 on UNIX allows write operations to an unintended file or unintended network connection as a consequence of erroneous closing of file descriptor 0 after file-descriptor exhaustion.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.019 (78.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Golang Go
- Opengroup Unix
- Debian Linux — versions 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- groups.google.com/g/golang-announce/c/hcmEScgc00k (Patch, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2022/01/msg00016.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/01/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/202208-02 (vendor-advisory, Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-744259.pdf
- lists.debian.org/debian-lts-announce/2023/04/msg00021.html (mailing-list)
Frequently asked questions
- What is CVE-2021-44717?
- CVE-2021-44717 is a medium-severity vulnerability in Golang Go, classified under Improper Resource Shutdown or Release. CVSS score: 4.8/10. Published 2022-01-01.
- How severe is CVE-2021-44717?
- Medium severity. CVSS v3 base score is 4.8 out of 10.
- Is CVE-2021-44717 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.