Vulnerability · Published Jul 26, 2021 · Assigned by Zyxel
CVE-2021-35030
Low 3.5
In plain English
A low-severity cross-site scripting in GS1900-8 Firmware from Zyxel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)3.5Low
Exploit odds (30 days)0.3%top 81.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | GS1900-8 Firmware | 2.60 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L