CVE-2021-3236: vim NULL Pointer Dereference
CVSS: 5.5v3.1MediumModified
AliasesDEBIAN-CVE-2021-3236
Published 11-08-2023Last modified 10-10-2024
Vulnerability summary
CVE-2021-3236 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in vim. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.30%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 11-08-2023PublishedVulnerability first disclosed.
- 10-10-2024Last modifiedVulnerability information updated.
Description
vim 8.2.2348 is affected by null pointer dereference, allows local attackers to cause a denial of service (DoS) via the ex_buffer_all method.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
0.00 pp
From 0.30% on 19-09-2026
19-09-202619-10-2026
EPSS score0.30%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundVim
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- vim< 2:8.2.2367-1
Vim1 product
- vim8.2.2348
2 vendors · 2 products
