CVE-2022-38249
Published: 07 September 2022
Summary
CVE-2022-38249 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Nagios Nagios Xi. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 3.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Nagios XI version 5.8.6 contains a cross-site scripting vulnerability in the MTR component version 1.0.4. The flaw is tracked as CWE-79 and carries a CVSS 3.1 score of 6.1, reflecting network attack vector, low complexity, no required privileges, and required user interaction with changed scope.
An unauthenticated attacker can supply a crafted payload that executes in the browser of a victim who interacts with the affected MTR functionality. Successful exploitation allows the attacker to read limited data from the victim’s session and perform actions within the application on the victim’s behalf.
The official Nagios XI change log for version 5.8.7 addresses the issue and is referenced in the available advisories.
The EPSS score for this CVE has remained at 0.3352 from disclosure onward, indicating steady but not sharply increasing exploitation interest.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-40841
Vulnerability details
Nagios XI v5.8.6 was discovered to contain a cross-site scripting (XSS) vulnerability via the MTR component in version 1.0.4.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.