CVE-2021-35030
Zyxel GS1900-8 Unauthenticated Cross-Site Scripting Vulnerability
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.
INFO
Published Date :
July 26, 2021, 12:15 p.m.
Last Modified :
Aug. 13, 2021, 12:53 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
2.7
Exploitability Score :
1.2
Affected Products
The following products are affected by CVE-2021-35030
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-35030.
| URL | Resource |
|---|---|
| https://www.zyxel.com/support/Zyxel_security_advisory_for_XSS_vulnerability_of_GS1900_series_switches.shtml | Patch Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-35030 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-35030 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Aug. 13, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:A/AC:M/Au:S/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://www.zyxel.com/support/Zyxel_security_advisory_for_XSS_vulnerability_of_GS1900_series_switches.shtml No Types Assigned https://www.zyxel.com/support/Zyxel_security_advisory_for_XSS_vulnerability_of_GS1900_series_switches.shtml Patch, Vendor Advisory Added CWE NIST CWE-79 Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-8_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.70 OR cpe:2.3:h:zyxel:gs1900-8:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-8hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.70 OR cpe:2.3:h:zyxel:gs1900-8hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-10hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.70 OR cpe:2.3:h:zyxel:gs1900-10hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-16_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.70 OR cpe:2.3:h:zyxel:gs1900-16:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-24e_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.70 OR cpe:2.3:h:zyxel:gs1900-24e:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-24ep_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.70 OR cpe:2.3:h:zyxel:gs1900-24ep:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-24_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.70 OR cpe:2.3:h:zyxel:gs1900-24:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-24hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.70 OR cpe:2.3:h:zyxel:gs1900-24hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-24hpv2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.70 OR cpe:2.3:h:zyxel:gs1900-24hpv2:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-48_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.70 OR cpe:2.3:h:zyxel:gs1900-48:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-48hp_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.70 OR cpe:2.3:h:zyxel:gs1900-48hp:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zyxel:gs1900-48hpv2_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 2.70 OR cpe:2.3:h:zyxel:gs1900-48hpv2:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-35030 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-35030
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile