Vulnerability Analysis
CVE-2021-3156
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.
CISA KEV
Nuclei Template
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
Temporal Score:-
EPSS:99.30%
Threat Intelligence Signals
CISA KEV
YES
KEV Date Added
2022-04-06
Ransomware Use
Unknown
KEV Due Date
2022-04-27
VulnCheck In-the-Wild
No
Nuclei Template
YES
EPSS Score
99.305%
EPSS Percentile
99.9th pct
GHSA ID
GitHub Severity
HIGH
SSVC Exploitation
—
SSVC Automatable
—
Vulnerability Class
—
Identity & Timeline
| Status | - |
| Assigning Authority | - |
| CVSS Version / Source | - |
| Reserved | - |
| Published | - |
| Patch Date (date_public) | - |
| Exploit DB Date | - |
| First GitHub PoC Date | - |
| Last Updated | - |
| Time to Patch (Days to fix) | - |
| Exploit Release Gap | - |
| PoC Release Gap | - |
| Exploit DB References | None identified |
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
Social Buzz