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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.36% probability · 72th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-90, CWE-732
- Affected
- cesnet/perun
- Source
- security-advisories@github.com
EPSS 1.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.