CVE-2020-28907
CVSS v3
9.8
CRITICAL
EPSS Score
3.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2021-05-24
Frequently asked questions
What is CVE-2020-28907?
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.
Is CVE-2020-28907 actively exploited?
Active exploitation of CVE-2020-28907 has not been confirmed. Its EPSS score was 3.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-28907?
CVE-2020-28907 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2020-28907 affecting your environment?
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