Knowledge/KEV Catalog/CVE-2021-3156Corpus

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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 · SPECTREcampaignCorrelated cluster2026-09-16
BadIIScampaignCorrelated cluster2026-08-26
DysphoriacampaignCorrelated cluster

2026-08-24

←SPECTREcampaignCorrelated cluster2026-08-20

Overview ATT&CK Related

ATT&CK mapping

No ATT&CK mapping yet

The CTID Mappings Explorer hasn't published an exploitation/impact technique mapping for this CVE yet.

Source: NVD ↗ · CISA KEV Catalog ↗