CVE detail
CVE-2021-3156 — Sudo Heap-Based Buffer Overflow Vulnerability
Published 2022-04-06 · Modified 2022-04-06 · Source kev
HIGH
severity
CVSS-derived band
0.9929
EPSS probability
exploitation probability, 30d
100.0%
EPSS percentile
percentile vs all CVEs
LISTED
CISA KEV
due 2022-04-27
⚠ Actively exploited in the wild — CISA KEV listed 2022-04-06, federal remediation due 2022-04-27.
Description
Sudo contains an off-by-one error that can result in a heap-based buffer overflow, which allows for privilege escalation.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References