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.
CVE-2020-5281
This medium-severity CVE scores 6.2 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 42% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.2
- EG Score
- 6.2(medium)
- EPSS
- 67.7%
- KEV
- Not listed
Published
March 25, 2020
Last Modified
November 21, 2024
References (6)
- security-advisories@githubhttps://github.com/CESNET/perun/commit/ac527bc3225a64208ee5cee59e5918ee360ca039
- security-advisories@githubhttps://github.com/CESNET/perun/pull/2635
- security-advisories@githubhttps://github.com/CESNET/perun/security/advisories/GHSA-gj88-9q3f-72m3
- af854a3a-2127-422b-91ae-364da2661108https://github.com/CESNET/perun/commit/ac527bc3225a64208ee5cee59e5918ee360ca039
- af854a3a-2127-422b-91ae-364da2661108https://github.com/CESNET/perun/pull/2635
- af854a3a-2127-422b-91ae-364da2661108https://github.com/CESNET/perun/security/advisories/GHSA-gj88-9q3f-72m3
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:25 UTCEPSS rescore
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- 2026-07-02 03:17 UTCOSV refresh
- 2026-07-01 15:03 UTCEPSS rescore
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- 2026-06-25 13:48 UTCEPSS rescore
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- 2026-06-24 14:03 UTCEPSS rescore
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- 2026-06-14 06:13 UTCOSV refresh
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- 2026-06-08 14:15 UTCEPSS rescore
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- 2026-06-06 13:46 UTCEPSS rescore
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- 2026-05-29 13:42 UTCEPSS rescore
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- 2026-05-27 13:39 UTCEPSS rescore
- 2026-05-27 13:39 UTCEPSS rescore
- 2026-05-27 05:53 UTCEG score recompute
- 2026-05-26 13:42 UTCEPSS rescore
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- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-25 21:46 UTCOSV refresh
Frequently asked(5)
What is CVE-2020-5281?
When was CVE-2020-5281 disclosed?
Is CVE-2020-5281 actively exploited?
What is the CVSS score of CVE-2020-5281?
How do I remediate CVE-2020-5281?
Dependency Blast Radius
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