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CVE-2021-3928
Use of Uninitialized Variable in vim/vim
High7.3EPSS 0.64%
- Published
- Updated
- Reserved
- Assigned by
- @huntrdev
Description
vim is vulnerable to Use of Uninitialized Variable
Timeline
ID reserved
By @huntrdev
- 1 day later
· 1 day later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| @huntrdevCNA (assigner) | 3.0 | High7.3 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.64% · top 49% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.3.
Weakness
Affected products
References (9)
- https://huntr.dev/bounties/29c3ebd2-d601-481c-bf96-76975369d0cd (opens in a new tab)x_transferred
- https://github.com/vim/vim/commit/15d9890eee53afc61eb0a03b878a19cb5672f732 (opens in a new tab)x_transferred
- FEDORA-2021-58ab85548d (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2021-cfadac570a (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2021-b0ac29efb1 (opens in a new tab)vendor-advisoryx_transferred
- [oss-security] 20220114 Re: 3 new CVE's in vim (opens in a new tab)mailing-listx_transferred
- [debian-lts-announce] 20220311 [SECURITY] [DLA 2947-1] vim security update (opens in a new tab)mailing-listx_transferred
- GLSA-202208-32 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20221108 [SECURITY] [DLA 3182-1] vim security update (opens in a new tab)mailing-listx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-3928)Record last updated .