KEV · Actively exploited

CVE-2023-38831

CVE-2023-38831 is actively exploited (CISA KEV catalog) : high severity (CVSS 7.8), 1 tracked app concerned, none still exposed on their current version.

Severity (CVSS): 7.8
Exploitation: Confirmed
Tracked apps: 1
Still exposed: 0

Published on 2023-08-23

RARLAB WinRAR before 6.23 allows attackers to execute arbitrary code when a user attempts to view a benign file within a ZIP archive. The issue occurs because a ZIP archive may include a benign file (such as an ordinary .JPG file) and also a folder that has the same name as the benign file, and the contents of the folder (which may include executable content) are processed during an attempt to access only the benign file. This was exploited in the wild in April through October 2023.

Attack vector : Local No privileges required

Show raw CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS 99.82% predictive model; CISA confirms active exploitation percentile 100.0%

CISA Known Exploited Vulnerability

Added to KEV: 2023-08-24
Remediation deadline: 2023-09-14
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Ransomware: Yes, known ransomware campaign

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

WinRAR Windows winget:RARLab.WinRAR

Affected <6.23 Fixed in 6.23 Latest tracked 7.23.0 patched

Observed affected builds (8)

6.22.0 6.21.0 6.20.0 6.11.0 6.10.0 6.00 5.91 5.90

Vulnerable CPE configurations (1)

Vendor	Product	Platform	Versions	CPE 2.3 URI
rarlab	winrar All platforms (wildcard)	All platforms (wildcard)	<6.23	cpe:2.3:a:rarlab:winrar::::::::

View on NVD ↗ CISA KEV catalog ↗

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