CVE-2021-33177

8.8 highEPSS 10%

High (8.8) in nagios nagios xi. EPSS 10% chance of exploitation in the next 30 days.

The Bulk Modifications functionality in Nagios XI versions prior to 5.8.5 is vulnerable to SQL injection. Exploitation requires the malicious actor to be authenticated to the vulnerable system, but once authenticated they would be able to execute arbitrary sql queries.

Severity

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 10% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)
CWE: CWE-89
Published: 2021-10-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nagios:nagios_xi

References

https://www.synopsys.com/blogs/software-security/cyrc-advisory-nagios-xi
https://www.synopsys.com/blogs/software-security/cyrc-advisory-nagios-xi

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