CVE-2021-35489 — MEDIUM (6.1)

Vulnerability Description

Thruk 2.40-2 allows /thruk/#cgi-bin/extinfo.cgi?type=2&host={HOSTNAME]&service={SERVICENAME]&backend={BACKEND] Reflected XSS via the host or service parameter. An attacker could inject arbitrary JavaScript into extinfo.cgi. The malicious payload would be triggered every time an authenticated user browses the page containing it.

CVSS Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Thruk	Thruk	2.40-2

Related Weaknesses (CWE)

CWE-79

References

https://www.gruppotim.it/redteamExploitThird Party Advisory
https://www.thruk.org/changelog.htmlRelease NotesVendor Advisory
https://www.gruppotim.it/redteamExploitThird Party Advisory
https://www.thruk.org/changelog.htmlRelease NotesVendor Advisory

FAQ

What is CVE-2021-35489?

CVE-2021-35489 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Thruk 2.40-2 allows /thruk/#cgi-bin/extinfo.cgi?type=2&host={HOSTNAME]&service={SERVICENAME]&backend={BACKEND] Reflected XSS via the host or service parameter. An attacker could inject arbitrary JavaS...

How severe is CVE-2021-35489?

CVE-2021-35489 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-2021-35489?

Check the references section above for vendor advisories and patch information. Affected products include: Thruk Thruk.