CVE-2021-42750 — MEDIUM (4.8)

Vulnerability Description

A cross-site scripting (XSS) vulnerability in Rule Engine in ThingsBoard 3.3.1 allows remote attackers (with administrative access) to inject arbitrary JavaScript within the title of a rule node.

CVSS Score

4.8

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Thingsboard	Thingsboard	3.3.1

Related Weaknesses (CWE)

CWE-79

References

https://github.com/thingsboard/thingsboardProductThird Party Advisory
https://packetstormsecurity.com/files/167999/Thingsboard-3.3.1-Cross-Site-ScriptExploitThird Party AdvisoryVDB Entry
https://github.com/thingsboard/thingsboardProductThird Party Advisory
https://packetstormsecurity.com/files/167999/Thingsboard-3.3.1-Cross-Site-ScriptExploitThird Party AdvisoryVDB Entry

FAQ

What is CVE-2021-42750?

CVE-2021-42750 is a vulnerability with a CVSS score of 4.8 (MEDIUM). A cross-site scripting (XSS) vulnerability in Rule Engine in ThingsBoard 3.3.1 allows remote attackers (with administrative access) to inject arbitrary JavaScript within the title of a rule node.

How severe is CVE-2021-42750?

CVE-2021-42750 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42750?

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