CVE-2021-3156: Sudo Sudo
EPSS99.9%No. 91 of 1739 in KEV
CVE year2021~1 yrs before listing
Same vendor in KEV2
Same product2
| Field | Value |
|---|---|
| Vendor | Sudo |
| Product | Sudo |
| Name | Sudo Heap-Based Buffer Overflow Vulnerability |
| Added to KEV | 2022-04-06 |
| US federal due date | 2022-04-27 |
| Ransomware use | Unknown |
| CWE | CWE-122, CWE-193 |
CISA description
Sudo contains an off-by-one error that can result in a heap-based buffer overflow, which allows for privilege escalation.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2025-32463 | Sudo Sudo | 2025-09-29 | 55.4% | Unknown |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A Sudo Sudo vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2022-04-06.