TI-2020-04337 Aliases CVE-2020-5281

LDAP connector injection in Perun

LOW 36CWE-90Published 2020-03-25 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01362 71st percentileScored 2026-11-07

Fix Fixed perun (CESNET): 3.9.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
CESNET	perun	before 3.9.1	3.9.1	Patch available	CNA

perun VendorCESNET Affected before 3.9.1 Fixed in 3.9.1 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cesnet:perun::::::::	before 3.9.1	Vulnerable	CESNET

cpe:2.3:a:cesnet:perun:*:*:*:*:*:*:*:* Versions before 3.9.1 Vulnerable ·CESNET

Remediation

Fix · CNA perun (CESNET) Fixed in 3.9.1

Timeline

2026-10-02 Threatist record created from CVE-2020-5281

References

Patch 2

Advisory 1

https://github.com/CESNET/perun/security/advisories/GHSA-gj88-9q3f-72m3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences