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CVE-2021-3156
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CVE
CVE-2021-3156
P2
Sudo Heap-Based Buffer Overflow Vulnerability
Sudo · Sudo
Date added (CISA)
2022-04-06
Remediation due
2022-04-27
Known ransomware use
Not indicated
Remediation priority
P2 — past CISA due date
Associated with
Related to
←
Lazarus Group (TraderTraitor cluster) / APT38 / BlueNoroff · SPECTRE
campaign
Correlated cluster
2026-09-16
←
BadIIS
campaign
Correlated cluster
2026-08-26
←
Dysphoria
campaign
Correlated cluster
2026-08-24
←
SPECTRE
campaign
Correlated cluster
2026-08-20
Overview
ATT&CK
Related
Related
Nothing linked yet
No threat actor or pipeline report has been cross-referenced against this CVE yet. The associated-with rail above shows any asserted relationships.
Source:
NVD ↗
·
CISA KEV Catalog ↗
CVE-2021-3156: Sudo Heap-Based Buffer Overflow Vulnerability · RaqibCTI