CVE-2021-35030
Zyxel GS1900-8 Firmware
LOW 3.5
At a glance
- Source
- NVD
- EPSS
- EPSS 0.27 % · percentile 19 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Zyxel
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-79 — Improper Neutralization of Input During Web Page Generation
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | LOW 3.5 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L | Zyxel |
| CVSS 3.1 | LOW 3.5 | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L | NVD · security@zyxel.com.tw (Secondary) |
| CVSS 3.1 | MEDIUM 4.3 | CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | LOW 2.3 | AV:A/AC:M/Au:S/C:N/I:P/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-21677
- GCVE · GCVE-0-2021-35030
Affected configurations (NVD CPE)
cpe:2.3:o:zyxel:gs1900-8_firmware:*:*:*:*:*:*:*:*< 2.70cpe:2.3:o:zyxel:gs1900-8hp_firmware:*:*:*:*:*:*:*:*< 2.70cpe:2.3:o:zyxel:gs1900-10hp_firmware:*:*:*:*:*:*:*:*< 2.70cpe:2.3:o:zyxel:gs1900-16_firmware:*:*:*:*:*:*:*:*< 2.70cpe:2.3:o:zyxel:gs1900-24e_firmware:*:*:*:*:*:*:*:*< 2.70cpe:2.3:o:zyxel:gs1900-24ep_firmware:*:*:*:*:*:*:*:*< 2.70cpe:2.3:o:zyxel:gs1900-24_firmware:*:*:*:*:*:*:*:*< 2.70cpe:2.3:o:zyxel:gs1900-24hp_firmware:*:*:*:*:*:*:*:*< 2.70cpe:2.3:o:zyxel:gs1900-24hpv2_firmware:*:*:*:*:*:*:*:*< 2.70cpe:2.3:o:zyxel:gs1900-48_firmware:*:*:*:*:*:*:*:*< 2.70cpe:2.3:o:zyxel:gs1900-48hp_firmware:*:*:*:*:*:*:*:*< 2.70cpe:2.3:o:zyxel:gs1900-48hpv2_firmware:*:*:*:*:*:*:*:*< 2.70
Affected products
| Product | Versions |
|---|---|
| Zyxel · GS1900-8 Firmware | affected 2.60 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |