CVE-2021-35030

Description

A vulnerability was found in the CGI program in Zyxel GS1900-8 firmware version V2.60, that did not properly sterilize packet contents and could allow an authenticated, local user to perform a cross-site scripting (XSS) attack via a crafted LLDP packet.

Category

3.5
CVSS
Severity: Low
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory zyxel.com
Affected: Zyxel GS1900-8 Firmware
Published at:
Updated at:

References

Link Tags
https://www.zyxel.com/support/Zyxel_security_advisory_for_XSS_vulnerability_of_GS1900_series_switches.shtml patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-35030?
CVE-2021-35030 has been scored as a low severity vulnerability.
How to fix CVE-2021-35030?
To fix CVE-2021-35030, 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-2021-35030 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-35030 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-35030?
CVE-2021-35030 affects Zyxel GS1900-8 Firmware.
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