CVE-2020-3121

MEDIUM

Cisco Small Business Smart and Managed Switches - XSS

Title source: llm
STIX 2.1

Description

A vulnerability in the web-based management interface of Cisco Small Business Smart and Managed Switches could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected device. An attacker could exploit this vulnerability by persuading a user of the interface to click a malicious link and access a specific page. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

References (1)

Core 1
Core References

Scores

CVSS v3 6.1
EPSS 0.0107
EPSS Percentile 60.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (45)
cisco/sf350-48_firmware < 2.5.0.90
cisco/sf350-48mp_firmware < 2.5.0.90
cisco/sf350-48p_firmware < 2.5.0.90
cisco/sf550x-24_firmware < 2.5.0.90
cisco/sf550x-24p_firmware < 2.5.0.90
cisco/sf550x-48_firmware < 2.5.0.90
cisco/sf550x-48mp_firmware < 2.5.0.90
cisco/sf550x-48p_firmware < 2.5.0.90
cisco/sg250-08_firmware < 2.5.0.90
cisco/sg250-08hp_firmware < 2.5.0.90
... and 35 more
Published Jan 26, 2020
Tracked Since Feb 18, 2026