Home/CVE/ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attack
CVE

CVE-2021-37852

ESET products for Windows allows untrusted process to impersonate the client of a pipe, which can be leveraged by attack

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.

HIGH · CVSS 7.8 EPSS 0.00141
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules6 YARA rules0
⬡

Weakness Classification

CWE-269Improper Privilege Management
▤

Affected Products & Versions

19
eset endpoint antivirus>= 6.6.2046.0 and < 7.3.2055.0
eset endpoint antivirus>= 8.0 and < 8.0.2028.3
eset endpoint antivirus>= 8.1 and < 8.1.2031.4
eset endpoint antivirus>= 9.0 and < 9.0.2032.6
eset endpoint security>= 6.6.2046.0 and < 7.3.2055.0
eset endpoint security>= 8.0 and < 8.0.2028.3
eset endpoint security>= 8.1 and < 8.1.2031.4
eset endpoint security>= 9.0 and < 9.0.2032.6
◈

Sigma Hunt Rules

6
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighKaspersky Endpoint Security Stopped Via CommandLine - Linux
producthighPotential Persistence Via Security Descriptors - ScriptBlock
producthighAllow Service Access Using Security Descriptor Tampering Via Sc.EXE
producthighDeny Service Access Using Security Descriptor Tampering Via Sc.EXE
producthighPython Function Execution Security Warning Disabled In Excel
producthighSecurity Service Disabled Via Reg.EXE
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · security@eset.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Feb 2022 · 06:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.eset.com/en/ca8223-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windowsVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-148/Third Party AdvisoryVDB Entry
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