CVE-2020-5769 — MEDIUM (5.4)

Vulnerability Description

Insufficient output sanitization in Teltonika firmware TRB2_R_00.02.02 allows a remote, authenticated attacker to conduct persistent cross-site scripting (XSS) attacks by injecting malicious client-side code into the 'URL/ Host / Connection' form in the 'DATA TO SERVER' configuration section.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Teltonika-Networks	Gateway Trb245 Firmware	trb2_r_00.02.02
Teltonika-Networks	Gateway Trb245	-

Related Weaknesses (CWE)

CWE-79

References

https://www.tenable.com/security/research/tra-2020-43-0ExploitThird Party Advisory
https://www.tenable.com/security/research/tra-2020-43-0ExploitThird Party Advisory

FAQ

What is CVE-2020-5769?

CVE-2020-5769 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Insufficient output sanitization in Teltonika firmware TRB2_R_00.02.02 allows a remote, authenticated attacker to conduct persistent cross-site scripting (XSS) attacks by injecting malicious client-si...

How severe is CVE-2020-5769?

CVE-2020-5769 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-5769?

Check the references section above for vendor advisories and patch information. Affected products include: Teltonika-Networks Gateway Trb245 Firmware, Teltonika-Networks Gateway Trb245.