CVE-2020-28909: nagios fusion
CVSS: 9.0v2.0HighModified
Published 24-05-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-28909 is a high (CVSS 9.0) vulnerability in nagios fusion. EPSS estimates a 6.75% chance of exploitation in the next 30 days, higher than 93.9% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.0/10
010
High · v2.0 (NVD)EPSS score
6.75%
0%100%
Low · +1.61 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 24-05-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Incorrect File Permissions in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation to root via modification of scripts. Low-privileges users are able to modify files that can be executed by sudo.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 9.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
6.75%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
+1.61 pp
From 5.13% on 21-09-2026
21-09-202621-10-2026
EPSS score6.75%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (skylightcyber.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Nagios1 product
- fusion≤ 4.1.8
1 vendor · 1 product
References
3 links- skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/X Refsource MISCExploitThird Party Advisory