CVE-2021-37852: ESET Endpoint Antivirus Unnecessary Privileges Local Privilege Escalation Vulnerability
First published: Mon Jan 31 2022(Updated: )
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.
Credit: security@eset.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Eset Endpoint Antivirus | >=6.6.2046.0<7.3.2055.0 | |
| Eset Endpoint Antivirus | >=8.0<8.0.2028.3 | |
| Eset Endpoint Antivirus | >=8.1<8.1.2031.4 | |
| Eset Endpoint Antivirus | >=9.0<9.0.2032.6 | |
| Eset Endpoint Security | >=6.6.2046.0<7.3.2055.0 | |
| Eset Endpoint Security | >=8.0<8.0.2028.3 | |
| Eset Endpoint Security | >=8.1<8.1.2031.4 | |
| Eset Endpoint Security | >=9.0<9.0.2032.6 | |
| 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 | |
| Eset Mail Security | >=7.0.14008.0<7.3.14003.0 | |
| Eset Mail Security | >=8.0<8.0.14006.0 | |
| Eset Mail Security | >=8.0.10012.0<8.0.10018.0 | |
| Eset Nod32 Antivirus | >=10.0.337.1<=15.0.18.0 | |
| Eset Security | >=7.0.15008.0<=8.0.15004.0 | |
| Eset Server Security | >=7.0.12016.1002<=7.2.12004.1000 | |
| Eset Server Security | =8.0.12003.0 | |
| Eset Server Security | =8.0.12003.1 | |
| Eset Smart Security | >=10.0.337.1<=15.0.18.0 | |
| Eset Smart Security | >=10.0.337.1<=15.0.18.0 | |
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Reference Links
Frequently Asked Questions
What is CVE-2021-37852?
CVE-2021-37852 is a vulnerability in ESET Endpoint Antivirus that allows local attackers to escalate privileges on affected installations.
How severe is CVE-2021-37852?
CVE-2021-37852 has a severity rating of 7.8, which is considered high.
Which software versions are affected by CVE-2021-37852?
CVE-2021-37852 affects ESET Endpoint Antivirus versions 6.6.2046.0 to 7.3.2055.0, versions 8.0 to 8.0.2028.3, versions 8.1 to 8.1.2031.4, and version 9.0.2032.6.
How can I fix CVE-2021-37852?
To fix CVE-2021-37852, update ESET Endpoint Antivirus to the latest version available from the official ESET website.
Where can I find more information about CVE-2021-37852?
More information about CVE-2021-37852 can be found on the official ESET support page and the Zero Day Initiative advisories page.
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