CVE-2020-28907 json
Incorrect SSL certificate validation in Nagios Fusion 4.1.8 and earlier allows for Escalation of Privileges or Code Execution as root via v…
published 5y ago modified 4mo ago also EUVD-2020-21298
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.5%
- EPSS 4.5% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
Incorrect SSL certificate validation in Nagios Fusion 4.1.8 and earlier allows for Escalation of Privileges or Code Execution as root via vectors related to download of an untrusted update package in upgrade_to_latest.sh.
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4.50% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).
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 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
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-2020-28907
- NVD CVE-2020-28907
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