CVE-2020-25039

Name: CVE-2020-25039
Creator: NVD / NIST
Published: 2020-09-16T18:15:13.467+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 2.01%

Last modified Jun 17, 2026

CVE-2020-25039 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Sylabs Singularity 3.2.0 through 3.6.2 has Insecure Permissions on temporary directories used in fakeroot or user namespace container execution.. EPSS estimates a 2.01% chance of exploitation in the next 30 days.

Description

Sylabs Singularity 3.2.0 through 3.6.2 has Insecure Permissions on temporary directories used in fakeroot or user namespace container execution.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

2.01%

78.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-668

Affected Software

Vendor	Product	Versions
Sylabs	Singularity	>= 3.2.0, <= 3.6.2
Opensuse	Leap	15.1
Opensuse	Leap	15.2

References

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00070.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00088.htmlThird Party Advisory
https://github.com/hpcng/singularity/security/advisories/GHSA-w6v2-qchm-grj7Mitigation, Third Party Advisory
https://medium.com/sylabsProduct
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00070.htmlThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00088.htmlThird Party Advisory
https://github.com/hpcng/singularity/security/advisories/GHSA-w6v2-qchm-grj7Mitigation, Third Party Advisory
https://medium.com/sylabsProduct

Timeline

Published: Sep 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25039?

Sylabs Singularity 3.2.0 through 3.6.2 has Insecure Permissions on temporary directories used in fakeroot or user namespace container execution.

How severe is CVE-2020-25039?

CVE-2020-25039 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 2.01% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25039?

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-2020-25039?

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

Scan your code now

Source: NVD / NIST