HOMEVULNERABILITIESCVE-2023-1585
MEDIUM

CVE-2023-1585

CWE-367Published: April 19, 2023· Updated: Jun 17, 2026

6.3
CVSS v3.1

Official Description

Avast and AVG Antivirus for Windows were susceptible to a Time-of-check/Time-of-use (TOCTOU) vulnerability in the Quarantine process, leading to arbitrary file/directory deletion. The issue was fixed with Avast and AVG Antivirus version 22.11 and virus definitions from 14 February 2023 or later.

NVD Source

Technical Analysis

CVE-2023-1585 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.3.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected Vendors & Products

avast1 product(s)
antivirus
avg1 product(s)
anti-virus
Microsoft1 product(s)
windows
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2023-1585
CVSS Score6.3 / 10
SeverityMEDIUM
WeaknessCWE-367
CISA KEVNo
Affected3 vendor(s)
PublishedApr 19, 2023

Related CVEs (CWE-367)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2023-1585 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.