CVE-2021-3236

MEDIUMNVD 5.55.5—Elevated

5.5

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 v3: 5.5
EG Score: 5.5(medium)
EPSS: 6.5%
KEV: Not listed

Published

August 11, 2023

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://github.com/vim/vim/issues/7674
cve@mitrehttps://security.netapp.com/advisory/ntap-20230915-0001/
af854a3a-2127-422b-91ae-364da2661108https://github.com/vim/vim/issues/7674
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230915-0001/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2021-3236?

CVE-2021-3236 is a medium vulnerability published on August 11, 2023. vim 8.2.2348 is affected by null pointer dereference, allows local attackers to cause a denial of service (DoS) via the exbufferall method.

When was CVE-2021-3236 disclosed?

CVE-2021-3236 was first published in the National Vulnerability Database on August 11, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-3236 actively exploited?

CVE-2021-3236 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 6.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-3236?

CVE-2021-3236 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2021-3236?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-3236, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-3236

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-3236?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)