CVE-2020-25031

Name: CVE-2020-25031
Creator: NVD / NIST
Published: 2020-08-31T04:15:11.933+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2020-25031 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. checkinstall 1.6.2, when used to create a package that contains a symlink, may trigger the creation of a mode 0777 executable file.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

checkinstall 1.6.2, when used to create a package that contains a symlink, may trigger the creation of a mode 0777 executable file.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.54%

41.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-59

Affected Software

Vendor	Product	Versions
Canonical	Checkinstall	1.6.2

References

https://bugs.launchpad.net/ubuntu/+source/checkinstall/+bug/1861281Exploit, Vendor Advisory
https://bugs.launchpad.net/ubuntu/+source/checkinstall/+bug/1861281Exploit, Vendor Advisory

Timeline

Published: Aug 31, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25031?

checkinstall 1.6.2, when used to create a package that contains a symlink, may trigger the creation of a mode 0777 executable file.

How severe is CVE-2020-25031?

CVE-2020-25031 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25031?

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-2020-25031?

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

Scan your code now

Source: NVD / NIST