CVE-2017-9781

Public Exploit

Description

A cross site scripting (XSS) vulnerability exists in Check_MK versions 1.4.0x prior to 1.4.0p6, allowing an unauthenticated remote attacker to inject arbitrary HTML or JavaScript via the _username parameter when attempting authentication to webapi.py, which is returned unencoded with content type text/html.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.21%
Third-Party Advisory tenable.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://git.mathias-kettner.de/git/?p=check_mk.git%3Ba=blob%3Bf=.werks/4757%3Bhb=c248f0b6ff7b15ced9f07a3df8a80fad656ea5b1
https://www.tenable.com/security/research/tra-2017-21 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2017-9781?
CVE-2017-9781 has been scored as a medium severity vulnerability.
How to fix CVE-2017-9781?
To fix CVE-2017-9781, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-9781 being actively exploited in the wild?
It is possible that CVE-2017-9781 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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