CVE-2020-28911 json
Incorrect Access Control in Nagios Fusion 4.1.8 and earlier allows low-privileged authenticated users to extract passwords used to manage f…
published 2021-05-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-21302
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.6%
- EPSS 3.6% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
Summary
Incorrect Access Control in Nagios Fusion 4.1.8 and earlier allows low-privileged authenticated users to extract passwords used to manage fused servers via the test_server command in ajaxhelper.php.
Exploit prediction
3.59% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- skylightcyber.com https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-922 Insecure Storage of Sensitive Information
References
-
skylightcyber.com
/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/
exploit, third-party-advisory
-
nagios.com
/downloads/nagios-xi/change-log/
release-notes, vendor-advisory
-
packetstormsecurity.com
/files/162783/Nagios-XI-Fusion-Privilege-Escalation-Cross-Site-Scripting-Code-Execution.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2020-28911
- NVD CVE-2020-28911
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.