CVE-2020-13845

Name: CVE-2020-13845
Creator: NVD / NIST
Published: 2020-07-14T18:15:14.383+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2020-13845 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Sylabs Singularity 3.0 through 3.5 has Improper Validation of an Integrity Check Value. Image integrity is not validated when an ECL policy is enforced. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

Sylabs Singularity 3.0 through 3.5 has Improper Validation of an Integrity Check Value. Image integrity is not validated when an ECL policy is enforced. The fingerprint required by the ECL is compared against the signature object descriptor(s) in the SIF file, rather than to a cryptographically validated signature.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.52%

40.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sylabs	Singularity	>= 3.0.0, <= 3.5.0

References

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00046.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00053.htmlBroken Link
https://github.com/hpcng/singularity/security/advisories/GHSA-pmfr-63c2-jr5cThird Party Advisory
https://medium.com/sylabsThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00046.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00059.htmlBroken Link
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00053.htmlBroken Link
https://github.com/hpcng/singularity/security/advisories/GHSA-pmfr-63c2-jr5cThird Party Advisory
https://medium.com/sylabsThird Party Advisory

Timeline

Published: Jul 14, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13845?

How severe is CVE-2020-13845?

CVE-2020-13845 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13845?

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-2020-13845?

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

Scan your code now

Source: NVD / NIST