CVE-2020-28904
Execution with Unnecessary Privileges in Nagios Fusion 4.1.8 and earlier allows for Privilege...
Execution with Unnecessary Privileges in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation as nagios via installation of a malicious component containing PHP code.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
Execution with Unnecessary Privileges in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation as nagios via installation of a malicious component containing PHP code.
- Record
CVE-2020-28904- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE List No score
Execution with Unnecessary Privileges in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation as nagios via installation of a malicious component containing PHP code.
- Record
CVE-2020-28904- Updated
- 2026-11-02
EUVDEUVD-2020-21295 No score
Execution with Unnecessary Privileges in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation as nagios via installation of a malicious component containing PHP code.
- Record
EUVD-2020-21295- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p7jw-jxr7-pm98 No score
Execution with Unnecessary Privileges in Nagios Fusion 4.1.8 and earlier allows for Privilege...
Execution with Unnecessary Privileges in Nagios Fusion 4.1.8 and earlier allows for Privilege Escalation as nagios via installation of a malicious component containing PHP code.
- Record
GHSA-p7jw-jxr7-pm98- Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-28904 is a critical vulnerability (CVSS 9.8) in Nagios Fusion, published May 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.75%, the 91st percentile. No source names a fixed version.
References
nagios.com/downloads/nagios-xi/change-log
skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you
packetstormsecurity.com/files/162783/Nagios-XI-Fusion-Privilege-Escalation-Cross-Site-Scripting-Code-Execution.html
nvd.nist.gov/vuln/detail/CVE-2020-28904
github.com/advisories/GHSA-p7jw-jxr7-pm98