High severity · published Feb 9, 2022
CVE-2021-37852
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…
7.8
CVSS
0.6%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EA
Endpoint Antivirus · Eset
6.6.2046.0 before 7.3.2055.0; 8.0 before 8.0.2028.3; 8.1 before 8.1.2031.4; 9.0 before 9.0.2032.6 · source: NVD
ES
Endpoint Security · Eset
6.6.2046.0 before 7.3.2055.0; 8.0 before 8.0.2028.3; 8.1 before 8.1.2031.4; 9.0 before 9.0.2032.6 · source: NVD
FS
File Security · Eset
7.0.12014.0 through 7.3.12006.0 · source: NVD
IS
Internet Security · Eset
10.0.337.1 before 15.0.18.0 · source: NVD
MS
Mail Security · Eset
7.0.10019 before 7.3.10014.0; 7.0.14008.0 before 7.3.14003.0; 8.0 before 8.0.14006.0; 8.0.10012.0 before 8.0.10018.0 · source: NVD
NA
Nod32 Antivirus · Eset
10.0.337.1 through 15.0.18.0 · source: NVD
SE
Security · Eset
7.0.15008.0 through 8.0.15004.0 · source: NVD
SS
Server Security · Eset
7.0.12016.1002 through 7.2.12004.1000; 8.0.12003.0; 8.0.12003.1 · source: NVD
SS
Smart Security · Eset
10.0.337.1 through 15.0.18.0; 10.0.337.1 through 15.0.18.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-37852
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-37852
Vendor Advisory
https://support.eset.com/en/ca8223-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-148/
More from Endpoint Antivirus
8.6
CVE-2023-5594
Improper following of a certificate's chain of trust in ESET security products
7.8
CVE-2024-0353
Local privilege escalation in Windows products
7.8
CVE-2023-3160
The vulnerability potentially allows an attacker to misuse ESET’s file operations during the module update to delete or move files without having proper permissions
7.8
CVE-2023-2847
During internal security analysis, a local privilege escalation vulnerability has been identified
7.8
CVE-2021-37851
Local privilege escalation in Windows products of ESET allows user who is logged into the system to exploit repair feature of the installer to run malicious code with higher…