CVE-2021-4193
MEDIUMCVSS 5.5/10EPSS 1.76%
Last modified
CVE-2021-4193 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. vim is vulnerable to Out-of-bounds Read. EPSS estimates a 1.76% chance of exploitation in the next 30 days.
Description
vim is vulnerable to Out-of-bounds Read
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Vim | Vim | < 8.2.3950 | — |
| Fedoraproject | Fedora | 34 | — |
| Debian | Debian Linux | 9.0 | — |
| Debian | Debian Linux | 10.0 | — |
| Apple | Mac Os X | 10.15.7 | — |
| Apple | Macos | < 12.3 | — |
| Apple | Macos | >= 11.0, < 11.6.6 | — |
| Apple | Macos | 10.15.7 | Security Update 2022-004 |
References
- http://seclists.org/fulldisclosure/2022/Jul/14Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Mar/29Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/35Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/01/15/1Mailing List, Third Party Advisory
- https://github.com/vim/vim/commit/94f3192b03ed27474db80b4d3a409e107140738bPatch, Third Party Advisory
- https://huntr.dev/bounties/92c1940d-8154-473f-84ce-0de43b0c2eb0Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00018.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00009.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-32Third Party Advisory
- https://support.apple.com/kb/HT213183Release Notes, Third Party Advisory
- https://support.apple.com/kb/HT213256Third Party Advisory
- https://support.apple.com/kb/HT213343Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Jul/14Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/Mar/29Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2022/May/35Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/01/15/1Mailing List, Third Party Advisory
- https://github.com/vim/vim/commit/94f3192b03ed27474db80b4d3a409e107140738bPatch, Third Party Advisory
- https://huntr.dev/bounties/92c1940d-8154-473f-84ce-0de43b0c2eb0Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00018.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00009.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-32Third Party Advisory
- https://support.apple.com/kb/HT213183Release Notes, Third Party Advisory
- https://support.apple.com/kb/HT213256Third Party Advisory
- https://support.apple.com/kb/HT213343Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-4193?
vim is vulnerable to Out-of-bounds Read
How severe is CVE-2021-4193?
CVE-2021-4193 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.76% probability of exploitation in the next 30 days.
How do I fix CVE-2021-4193?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-4193?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST