Privilege escalation in Eset Endpoint Antivirus
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 AUTHORITY\SYSTEM.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Eset Endpoint Antivirus
- Eset Endpoint Security
- Eset Endpoint Antivirus For Windows — versions 6.6.2046.0
- Eset Endpoint Security For Windows — versions 6.6.2046.0
- Eset File Security For Microsoft Windows Server — versions 7.0.12014.0
- Eset Internet Security — versions 10.0.337.1
- Eset Mail Security For IBM Domino — versions 7.0.14008.0
- Eset Mail Security For Microsoft Exchange Server — versions 7.0.10019
- Eset Nod32 Antivirus — versions 10.0.337.1
- Eset Security For Microsoft Sharepoint Server — versions 7.0.15008.0
Weakness classification (CWE)
References
- support.eset.com/en/ca8223-local-privilege-escalation-vulnerability-fixed-in-es… (Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-22-148/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-37852?
- CVE-2021-37852 is a high-severity vulnerability in Eset Endpoint Antivirus, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2022-02-09.
- How severe is CVE-2021-37852?
- High severity. CVSS v3 base score is 7.8 out of 10.