CVE-2020-25291

Name: CVE-2020-25291
Creator: NVD / NIST
Published: 2020-09-13T20:15:10.187+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.62%

Last modified Jun 17, 2026

CVE-2020-25291 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. GdiDrawHoriLineIAlt in Kingsoft WPS Office before 11.2.0.9403 allows remote heap corruption via a crafted PLTE chunk in PNG data within a Word document. This is related to QBrush::setMatrix in gui/painting/qbrush.cpp in Qt 4.x.. EPSS estimates a 1.62% chance of exploitation in the next 30 days.

Description

GdiDrawHoriLineIAlt in Kingsoft WPS Office before 11.2.0.9403 allows remote heap corruption via a crafted PLTE chunk in PNG data within a Word document. This is related to QBrush::setMatrix in gui/painting/qbrush.cpp in Qt 4.x.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.62%

73.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Kingsoft	Wps Office	< 11.2.0.9403

References

http://zeifan.my/security/rce/heap/2020/09/03/wps-rce-heap.htmlExploit, Third Party Advisory
http://zeifan.my/security/rce/heap/2020/09/03/wps-rce-heap.htmlExploit, Third Party Advisory

Timeline

Published: Sep 13, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25291?

How severe is CVE-2020-25291?

CVE-2020-25291 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.62% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25291?

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-2020-25291?

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

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Source: NVD / NIST