Cyber Resilience

CVE-2021-37852

HighLPE

Published: 09 February 2022

Published
09 February 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0014 34.1th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-37852 is a high-severity Improper Privilege Management (CWE-269) vulnerability in Eset Endpoint Antivirus. Its CVSS base score is 7.8 (High).

Operationally, ranked at the 34.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attacker to escalate privileges in the context of NT AUTHORITY\SYSTEM.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

eset
endpoint antivirus
6.6.2046.0 — 7.3.2055.0 · 8.0 — 8.0.2028.3 · 8.1 — 8.1.2031.4
eset
endpoint security
6.6.2046.0 — 7.3.2055.0 · 8.0 — 8.0.2028.3 · 8.1 — 8.1.2031.4
eset
file security
7.0.12014.0 — 7.3.12006.0
eset
internet security
10.0.337.1 — 15.0.18.0
eset
mail security
7.0.10019 — 7.3.10014.0 · 7.0.14008.0 — 7.3.14003.0 · 8.0 — 8.0.14006.0
eset
nod32 antivirus
10.0.337.1 — 15.0.18.0
eset
security
7.0.15008.0 — 8.0.15004.0
eset
server security
8.0.12003.0, 8.0.12003.1 · 7.0.12016.1002 — 7.2.12004.1000
eset
smart security
10.0.337.1 — 15.0.18.0 · 10.0.337.1 — 15.0.18.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-269

Policy addresses roles, responsibilities, and privilege management to prevent improper privilege assignments.

addresses: CWE-269

Access supervision ensures privileges are assigned and managed without improper escalation or retention.

addresses: CWE-269

Assigning group/role memberships and access authorizations (privileges) while reviewing accounts addresses improper privilege management.

addresses: CWE-269

Enforces proper privilege management by requiring all decisions through the verified reference monitor.

addresses: CWE-269

By mandating division of duties across roles, the control enforces proper privilege management and prevents a single entity from controlling an entire sensitive process.

addresses: CWE-269

Implements core proper privilege management by restricting to only required rights.

addresses: CWE-269

Policy requires training on privilege management and least privilege, making it harder to exploit improper privilege management weaknesses.

addresses: CWE-269

Training covers proper privilege management practices, making incorrect privilege assignments less likely.

References