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Review reviewHigh

CVE-2023-40933

nagios xi

A SQL injection vulnerability in Nagios XI v5.11.1 and below allows authenticated attackers with announcement banner configuration privileges to execute arbitrary SQL commands via the ID parameter sent to the update_banner_message() function.

CVSS
8.8
EPSS
3.11%
86.5% percentile
CISA KEV
Not listed
Published
2023.09.20
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability3.11%
Technical severityCVSS 8.8

Vulnerability overview

A SQL injection vulnerability in Nagios XI v5.11.1 and below allows authenticated attackers with announcement banner configuration privileges to execute arbitrary SQL commands via the ID parameter sent to the update_banner_message() function.

Affected product and versions

Product
nagios xi
Affected versions
< 5.11.2
Fixed versions
5.11.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that nagios xi and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-89