CVE-2021-3796: vim vim/vim

Affected products, as the CNA wrote them
Vendor	Product	Versions
vim	vim/vim	affected unspecified to 8.2.3428, inclusive custom

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.2	High	3.0	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:L	CNA (@huntrdev)

CISA KEV Not listed.
EPSS 0.017, the 77th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 15 Sept 2021. New records show when each source confirmed them.

Sources

CVE List: CVE-2021-3796
NVD: CVE-2021-3796

References from the CNA

huntr.dev/bounties/ab60b7f3-6fb1-4ac2-a4fa-4d592e08008d
github.com/vim/vim/commit/35a9a00afcb20897d462a766793ff45534810dc3
www.openwall.com/lists/oss-security/2021/10/01/1 mailing-list
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TE62UMYBZE4AE53K6OBBWK32XQ7544QM/ vendor-advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S42L4Z4DTW4LHLQ4FJ33VEOXRCBE7WN4/ vendor-advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7K4JJBIH3OQSZRVTWKCJCDLGMFGQ5DOH/ vendor-advisory
lists.debian.org/debian-lts-announce/2022/01/msg00003.html mailing-list
security.gentoo.org/glsa/202208-32 vendor-advisory
security.netapp.com/advisory/ntap-20221118-0004/

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.