CVE-2021-3277

moderate-risk
Published 2021-06-07

Nagios XI 5.7.5 and earlier allows authenticated admins to upload arbitrary files due to improper validation of the rename functionality in custom-includes component, which leads to remote code execution by uploading php files.

Do I need to act?

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33.5% chance of exploitation in next 30 days
EPSS score — higher than 66% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.2/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Nagios

References (2)

Third Party Advisory https://asaf.me/2021/01/21/nagios-xi-5-7-5-remote-code-execution/
Third Party Advisory https://asaf.me/2021/01/21/nagios-xi-5-7-5-remote-code-execution/
47
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 16/34 · Moderate
Exposure 5/34 · Minimal