CVE-2020-5281

Name: CVE-2020-5281
Creator: NVD / NIST
Published: 2020-03-25T18:15:14.343+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.33%

Last modified Jun 17, 2026

CVE-2020-5281 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Perun before version 3.9.1, VO or group manager can modify configuration of the LDAP extSource to retrieve all from Perun LDAP. Issue is fixed in version 3.9.1 by sanitisation of the input.. EPSS estimates a 1.33% chance of exploitation in the next 30 days.

Description

In Perun before version 3.9.1, VO or group manager can modify configuration of the LDAP extSource to retrieve all from Perun LDAP. Issue is fixed in version 3.9.1 by sanitisation of the input.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.33%

67.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cesnet	Perun	< 3.9.1

References

https://github.com/CESNET/perun/commit/ac527bc3225a64208ee5cee59e5918ee360ca039Patch, Third Party Advisory
https://github.com/CESNET/perun/pull/2635Patch, Third Party Advisory
https://github.com/CESNET/perun/security/advisories/GHSA-gj88-9q3f-72m3Third Party Advisory
https://github.com/CESNET/perun/commit/ac527bc3225a64208ee5cee59e5918ee360ca039Patch, Third Party Advisory
https://github.com/CESNET/perun/pull/2635Patch, Third Party Advisory
https://github.com/CESNET/perun/security/advisories/GHSA-gj88-9q3f-72m3Third Party Advisory

Timeline

Published: Mar 25, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5281?

In Perun before version 3.9.1, VO or group manager can modify configuration of the LDAP extSource to retrieve all from Perun LDAP. Issue is fixed in version 3.9.1 by sanitisation of the input.

How severe is CVE-2020-5281?

CVE-2020-5281 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.33% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5281?

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-2020-5281?

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

Scan your code now

Source: NVD / NIST