CVE-2025-2425

TOCTOU race condition vulnerability in ESET products on Windows

Published Jul 18, 2025 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed

Description

Time-of-check to time-of-use race condition vulnerability potentially allowed an attacker to use the installed ESET security software to clear the content of an arbitrary file on the file system.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

ESET, spol. s.r.o

ESET NOD32 Antivirus

unaffected

Version	Status	Constraints
`0`	affected	≤ 18.1.13.0

ESET, spol. s.r.o

ESET Internet Security

unaffected

Version	Status	Constraints
`0`	affected	≤ 18.1.13.0

ESET, spol. s.r.o

ESET Smart Security Premium

unaffected

Version	Status	Constraints
`0`	affected	≤ 18.1.13.0

ESET, spol. s.r.o

ESET Security Ultimate

unaffected

Version	Status	Constraints
`0`	affected	≤ 18.1.13.0

ESET, spol. s.r.o

ESET Endpoint Antivirus for Windows

unaffected

Version	Status	Constraints
`0`	affected	≤ 12.0.2049.0
`0`	affected	≤ 11.1.2059.0

ESET, spol. s.r.o

ESET Endpoint Security for Windows

unaffected

Version	Status	Constraints
`0`	affected	≤ 12.0.2049.0
`0`	affected	≤ 11.1.2059.0

ESET, spol. s.r.o

ESET Small Business Security

unaffected

Version	Status	Constraints
`0`	affected	≤ 18.1.13.0

ESET, spol. s.r.o

ESET Safe Server

unaffected

Version	Status	Constraints
`0`	affected	≤ 18.1.13.0

ESET, spol. s.r.o

ESET Server Security for Windows Server

unaffected

Version	Status	Constraints
`0`	affected	≤ 12.0.12004.0
`0`	affected	≤ 11.1.12009.1

ESET, spol. s.r.o

ESET Mail Security for Microsoft Exchange Server

unaffected

Version	Status	Constraints
`0`	affected	≤ 12.0.10003.0
`0`	affected	≤ 11.1.10011.0

ESET, spol. s.r.o

ESET Security for Microsoft SharePoint Server

unaffected

Version	Status	Constraints
`0`	affected	≤ 12.0.15004.0
`0`	affected	≤ 11.1.15003.0

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2025-21865	Time-of-check to time-of-use race condition vulnerability potentially allowed an attacker to use the installed ESET security software to clear the content of an arbitrary file on the file system.

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.120% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://support.eset.com/en/ca8840-eset-customer-advisory-toctou-race-condition-vulnerability-in-eset-products-on-windows-fixed

History

Jul 18, 2025 12:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Jul 18, 2025 9:45 AM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		Time-of-check to time-of-use race condition vulnerability potentially allowed an attacker to use the installed ESET security software to clear the content of an arbitrary file on the file system.
Title		TOCTOU race condition vulnerability in ESET products on Windows
Weaknesses		CWE-367
References		https://support.eset.com/en/ca8840-eset-customer-advisory-toctou-race-condition-vulnerability-in-eset-products-on-windows-fixed
Metrics		cvssV4_0 `{'score': 5.1, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}`