{"id":"CVE-2021-33177","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-33177","generatedAt":"2026-11-05T01:03:21.645Z","title":"The Bulk Modifications functionality in Nagios XI versions prior to 5.8.5 is vulnerable to SQL injection.","description":"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.","published":"2021-10-14T15:15:09.000Z","lastModified":"2026-06-17T03:54:19.000Z","status":"Modified","sourceIdentifier":"disclosure@synopsys.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-89"],"affected":["nagios/nagios xi"],"epss":{"score":0.10132,"percentile":0.95656,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 10.1%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://www.synopsys.com/blogs/software-security/cyrc-advisory-nagios-xi","tags":["Third Party Advisory"],"source":"disclosure@synopsys.com"},{"url":"https://www.synopsys.com/blogs/software-security/cyrc-advisory-nagios-xi","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-33177","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}