CVE-2018-20252

Name: CVE-2018-20252
Creator: NVD / NIST
Published: 2019-02-05T20:29:00.32+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.62%

Last modified Jun 17, 2026

CVE-2018-20252 is a vulnerability of currently unknown severity. In WinRAR versions prior to and including 5.60, there is an out-of-bounds write vulnerability during parsing of crafted ACE and RAR archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.. EPSS estimates a 3.62% chance of exploitation in the next 30 days.

Description

In WinRAR versions prior to and including 5.60, there is an out-of-bounds write vulnerability during parsing of crafted ACE and RAR archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.

Metrics

EPSS Probability

3.62%

88.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rarlab	Winrar	<= 5.60

References

http://www.securityfocus.com/bid/106948Third Party Advisory, VDB Entry
https://research.checkpoint.com/extracting-code-execution-from-winrar/Exploit, Third Party Advisory
https://www.win-rar.com/whatsnew.htmlRelease Notes, Vendor Advisory
http://www.securityfocus.com/bid/106948Third Party Advisory, VDB Entry
https://research.checkpoint.com/extracting-code-execution-from-winrar/Exploit, Third Party Advisory
https://www.win-rar.com/whatsnew.htmlRelease Notes, Vendor Advisory

Timeline

Published: Feb 5, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20252?

How severe is CVE-2018-20252?

Severity scoring for CVE-2018-20252 is pending analysis. The EPSS model estimates a 3.62% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20252?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20252?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST