CVE-2021-3156
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
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EPSS — probability of exploitation (30 days)
100.0%
100.0th percentile
CISA KEV
Listed
Added 2022-04-06 · patch by 2022-04-27
Weakness / dates
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Published — · modified —
Timeline
- 2022-04-06 — Added to CISA KEV (actively exploited)
- 2022-04-27 — CISA patch-by deadline
Description
Sudo contains an off-by-one error that can result in a heap-based buffer overflow, which allows for privilege escalation.