CVE Tools
Sign in

CVE-2018-20250

Published: Feb 5, 2019Updated: Oct 31, 2025 Sources: CVE List NVD BDUCWE-36
7.8HIGH
NVD MITRE
EPSS Score
96.3%
Top 0.1%
CISA KEV
Active Exploitation
Since Feb 15, 2022
Exploits
5 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

In WinRAR versions prior to and including 5.61, There is path traversal vulnerability when crafting the filename field of the ACE format (in UNACEV2.dll). When the filename field is manipulated with specific patterns, the destination (extraction) folder is ignored, thus treating the filename as an absolute path.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-36CWE-22

Affected Products

WinRAR GmbH
commercial·NL
WinRAROn-premDesktop App
Consumer Software / file-utility
rarlab
commercialaka winrar, rar, unrar
winrarOn-premDesktop App
Consumer Software / file-utility
Check Point Software Technologies Ltd.
commercial·USaka checkpoint
WinRAR
Security Products

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Feb 15, 2022
Remediation due:Aug 15, 2022
Ransomware:Known ransomware use

Required action: Apply updates per vendor instructions.

5 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Is your org exposed to CVE-2018-20250?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://research.checkpoint.com/extracting-code-execution-from-winrar/
research.checkpoint.com
https://xakep.ru/2019/02/21/winrar-bug/
xakep.ru
https://www.securitylab.ru/news/498047.php
securitylab.ru
and 9 more references View all →
News mentions
1

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2018-20250 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows