CVE-2021-35030

CVSS 3.5 LOWEPSS 0.3%CWE-79

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 3.5EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

26 Jul 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Zyxel · GS1900-8 Firmware

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References

https://www.zyxel.com/support/Zyxel_security_advisory_for_XSS_vulnerability_of_GS1900_series_switches.shtml