CVE-2021-40345
CVSS v3
7.2
HIGH
EPSS Score
22.7 %
exploit probability, as of 2026-10-05
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. A command injection (within the name of the first file in the archive) allows an attacker to execute system commands.
Technical details
- Published
- 2021-10-26
Frequently asked questions
What is CVE-2021-40345?
An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. A command injection (within the name of the first file in the archive) allows an attacker to execute system commands.
Is CVE-2021-40345 actively exploited?
Active exploitation of CVE-2021-40345 has not been confirmed. Its EPSS score was 22.7% on 2026-10-05, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-40345?
CVE-2021-40345 has a CVSS v3 base score of 7.2 (HIGH severity).
Is CVE-2021-40345 affecting your environment?
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