CVE-2021-3236

Name: CVE-2021-3236
Creator: NVD / NIST
Published: 2023-08-11T14:15:12.953+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2021-3236 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.27%

19.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Vim	Vim	8.2.2348

References

https://github.com/vim/vim/issues/7674Exploit, Issue Tracking, Patch
https://security.netapp.com/advisory/ntap-20230915-0001/
https://github.com/vim/vim/issues/7674Exploit, Issue Tracking, Patch
https://security.netapp.com/advisory/ntap-20230915-0001/

Timeline

Published: Aug 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3236?

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.

How severe is CVE-2021-3236?

CVE-2021-3236 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3236?

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.

Are you affected by CVE-2021-3236?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST