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
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
WinRAR GmbH
commercial·NL
Check Point Software Technologies Ltd.
commercial·USaka checkpoint
rarlab
commercialaka rar, winrar, unrar
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
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
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
1Unlock 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 AccountPlain-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