CVE-2018-20253

Name: CVE-2018-20253
Creator: NVD / NIST
Published: 2019-02-13T01:29:00.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.04%

Last modified Jun 17, 2026

CVE-2018-20253 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 a crafted LHA / LZH archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.. EPSS estimates a 4.04% 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 a crafted LHA / LZH archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.

Metrics

EPSS Probability

4.04%

89.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rarlab	Winrar	<= 5.60

References

https://research.checkpoint.com/extracting-code-execution-from-winrar/Exploit, Third Party Advisory
https://www.win-rar.com/whatsnew.htmlRelease Notes, Vendor Advisory
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 13, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20253?

How severe is CVE-2018-20253?

Severity scoring for CVE-2018-20253 is pending analysis. The EPSS model estimates a 4.04% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20253?

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-2018-20253?

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

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Source: NVD / NIST