CVE-2023-38831

HIGHCVSS 7.8Known Exploited

CISA Known Exploited Vulnerability

http://www.win-rar.com/singlenewsview.html?&L=0&tx_ttnews%5Btt_news%5D=232&cHash=c5bf79590657e32554c6683296a8e8aa; https://nvd.nist.gov/vuln/detail/CVE-2023-38831

Remediation deadline: September 14, 2023

Ransomware use: Known

Description

RARLAB WinRAR contains an unspecified vulnerability that allows an attacker to execute code when a user attempts to view a benign file within a ZIP archive.

Timeline

Published:August 23rd, 2023 5:15 PM

Last modified:August 5th, 2026 5:16 AM

Added to KEV:August 24th, 2023

CVSS Scoring

CVSS v3: 7.8 (HIGH)

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

Affected Software

From NVD CPE configuration data

Vendors

rarlab

Products

winrar

Weaknesses (CWE)

CWE-345 CWE-351

References & Reports

Advisories, patches, and third-party reports

http://packetstormsecurity.com/files/174573/WinRAR-Remote-Code-Execution.htmlExploit
https://blog.google/threat-analysis-group/government-backed-actors-exploiting-winrar-vulnerability/Exploit
https://news.ycombinator.com/item?id=37236100Issue Tracking
https://www.bleepingcomputer.com/news/security/winrar-zero-day-exploited-since-april-to-hack-trading-accounts/Exploit
https://www.group-ib.com/blog/cve-2023-38831-winrar-zero-day/Exploit
http://packetstormsecurity.com/files/174573/WinRAR-Remote-Code-Execution.htmlExploit
https://blog.google/threat-analysis-group/government-backed-actors-exploiting-winrar-vulnerability/Exploit
https://news.ycombinator.com/item?id=37236100Issue Tracking
https://www.bleepingcomputer.com/news/security/winrar-zero-day-exploited-since-april-to-hack-trading-accounts/Exploit
https://www.group-ib.com/blog/cve-2023-38831-winrar-zero-day/Exploit
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38831US Government Resource

Source: NIST NVD · Data may lag official sources by up to one minute