Vulnerability Description
CheckMK Raw Edition software (versions 1.5.0 to 1.6.0) does not sanitise the input of a web service parameter that is in an unauthenticated zone. This Reflected XSS allows an attacker to open a backdoor on the device with HTML content and interpreted by the browser (such as JavaScript or other client-side scripts) or to steal the session cookies of a user who has previously authenticated via a man in the middle. Successful exploitation requires access to the web service resource without authentication.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Checkmk | Checkmk | >= 1.5.0, < 1.6.0 |
| Tribe29 | Checkmk | 1.6.0b10 |
Related Weaknesses (CWE)
References
- http://checkmk.comProduct
- https://github.com/Edgarloyola/CVE-2021-40906Third Party Advisory
- http://checkmk.comProduct
- https://github.com/Edgarloyola/CVE-2021-40906Third Party Advisory
FAQ
What is CVE-2021-40906?
CVE-2021-40906 is a vulnerability with a CVSS score of 6.1 (MEDIUM). CheckMK Raw Edition software (versions 1.5.0 to 1.6.0) does not sanitise the input of a web service parameter that is in an unauthenticated zone. This Reflected XSS allows an attacker to open a backdo...
How severe is CVE-2021-40906?
CVE-2021-40906 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-40906?
Check the references section above for vendor advisories and patch information. Affected products include: Checkmk Checkmk, Tribe29 Checkmk.