vim is vulnerable to Use After Free
CVE-2021-4173
vim is vulnerable to Use After Free
Assessment
- CVSS
- 6.8 (v3.0)
- Severity
- Medium
- EPSS
- 1.76% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 27 December 2021
- Last updated
- 2 November 2026
- Assigner
- @huntrdev
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H
At the source
References
- https://huntr.dev/bounties/a1b236b9-89fb-4ccf-9689-ba11b471e766
- https://github.com/vim/vim/commit/9c23f9bb5fe435b28245ba8ac65aa0ca6b902c04
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2EY2VFBU3YGGWI5BW4XKT3F37MYGEQUD/
- http://www.openwall.com/lists/oss-security/2022/01/15/1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3FH2J57GDA2WMBS6J56F6QQRA6BXQQFZ/
- https://support.apple.com/kb/HT213183
- http://seclists.org/fulldisclosure/2022/Mar/29
- https://support.apple.com/kb/HT213256
- http://seclists.org/fulldisclosure/2022/May/35
- https://support.apple.com/kb/HT213343
- http://seclists.org/fulldisclosure/2022/Jul/14
- https://security.gentoo.org/glsa/202208-32
Community proofs of concept
No community proof of concept yet. If you have one for a published vulnerability and the right to share it, add it below — it will appear here once reviewed.
Submit a proof of concept
Only for publicly disclosed vulnerabilities, and only material from testing you were authorised to perform. This platform does not buy, sell, or broker exploits — see earning from vulnerability research for legitimate bounty programs. Submissions are reviewed before they appear. Text only; do not include live credentials, personal data, or anything targeting systems you are not permitted to test.
Query this programmatically
Agents can read this through the MCP endpoint, or over HTTP:
curl https://cve.zerocrew.in/api/cve/CVE-2021-4173