Read the docs
TI-2021-15657 Aliases CVE-2021-37850GHSA-fwc5-q384-h8fh

Denial of service in ESET for Mac products

Priority LOW 24Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

ESET was made aware of a vulnerability in its consumer and business products for macOS that enables a user logged on to the system to stop the ESET daemon, effectively disabling the protection of the ESET security product until a system reboot.

Why it matters now

EPSS 0.00226 13th percentileScored 2026-11-07
Fix Fixed ESET Cyber Security Pro (ESET, spol. s r.o.): 6.10.700ESET Endpoint Antivirus for macOS (ESET, spol. s r.o.): 6.10.910.0+1 more product

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ESET, spol. s r.o.ESET Cyber Securityup to 6.10.700—No fix listedCNA
ESET, spol. s r.o.ESET Cyber Security Probefore 6.10.7006.10.700Patch availableCNA
ESET, spol. s r.o.ESET Endpoint Antivirus for macOSbefore 6.10.910.06.10.910.0Patch availableCNA
ESET, spol. s r.o.ESET Endpoint Security for macOSbefore 6.10.910.06.10.910.0Patch availableCNA
  • ESET Cyber Security VendorESET, spol. s r.o. Affected up to 6.10.700 Fixed in — No fix listed CNA
  • ESET Cyber Security Pro VendorESET, spol. s r.o. Affected before 6.10.700 Fixed in 6.10.700 Patch available CNA
  • ESET Endpoint Antivirus for macOS VendorESET, spol. s r.o. Affected before 6.10.910.0 Fixed in 6.10.910.0 Patch available CNA
  • ESET Endpoint Security for macOS VendorESET, spol. s r.o. Affected before 6.10.910.0 Fixed in 6.10.910.0 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:eset:cyber_security:*:*:*:*:-:macos:*:*up to 6.10.700VulnerableESET, spol. s r.o.
cpe:2.3:a:eset:cyber_security:*:*:*:*:pro:macos:*:*up to 6.10.700VulnerableESET, spol. s r.o.
cpe:2.3:a:eset:endpoint_antivirus:*:*:*:*:-:macos:*:*up to 6.10.910.0VulnerableESET, spol. s r.o.
cpe:2.3:a:eset:endpoint_security:*:*:*:*:-:macos:*:*up to 6.10.910.0VulnerableESET, spol. s r.o.
  • cpe:2.3:a:eset:cyber_security:*:*:*:*:-:macos:*:* Versions up to 6.10.700 Vulnerable ·ESET, spol. s r.o.
  • cpe:2.3:a:eset:cyber_security:*:*:*:*:pro:macos:*:* Versions up to 6.10.700 Vulnerable ·ESET, spol. s r.o.
  • cpe:2.3:a:eset:endpoint_antivirus:*:*:*:*:-:macos:*:* Versions up to 6.10.910.0 Vulnerable ·ESET, spol. s r.o.
  • cpe:2.3:a:eset:endpoint_security:*:*:*:*:-:macos:*:* Versions up to 6.10.910.0 Vulnerable ·ESET, spol. s r.o.

Remediation

  • Fix · CNA ESET Cyber Security Pro (ESET, spol. s r.o.) Fixed in 6.10.700
  • Fix · CNA ESET Endpoint Antivirus for macOS (ESET, spol. s r.o.) Fixed in 6.10.910.0
  • Fix · CNA ESET Endpoint Security for macOS (ESET, spol. s r.o.) Fixed in 6.10.910.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-37850
  2. 2026-10-03 Alias added: GHSA-fwc5-q384-h8fh

References

Advisory 1

  • TI-2020-08204 The ESET AV parsing engine allows virus-detection bypass via a crafted BZ2 Checksum field… CVSS 3.1CRITICAL 9.8
  • TI-2020-08214 ESET Archive Support Module before 1294 allows virus-detection bypass via crafted RAR… CVSS 3.1HIGH 7.5
  • TI-2023-02668 Local privilege escalation in ESET products for Linux and MacOS CVSS 3.1HIGH 7.8
  • TI-2019-12384 ESET Cyber Security 6.7.900.0 for macOS allows a local attacker to execute unauthorized… CVSS 3.1HIGH 7.8
  • TI-2019-13092 ESET Cyber Security before 6.8.1.0 is vulnerable to a denial-of-service allowing any user… CVSS 3.1MEDIUM 6.5
  • TI-2019-14264 A permissions issue in ESET Cyber Security before 6.8.300.0 for macOS allows a local… CVSS 3.1MEDIUM 6.7
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences