CVE-2021-1541

HIGH

Cisco Small Business 220 Series Smart Switches - Improper Authentication

Title source: llm
STIX 2.1

Description

Multiple vulnerabilities in the web-based management interface of Cisco Small Business 220 Series Smart Switches could allow an attacker to do the following: Hijack a user session Execute arbitrary commands as a root user on the underlying operating system Conduct a cross-site scripting (XSS) attack Conduct an HTML injection attack For more information about these vulnerabilities, see the Details section of this advisory.

References (1)

Core 1

Scores

CVSS v3 7.2
EPSS 0.0038
EPSS Percentile 59.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-287
Status published
Products (9)
cisco/sf220-24_firmware < 1.2.0.6
cisco/sf220-24p_firmware < 1.2.0.6
cisco/sf220-48_firmware < 1.2.0.6
cisco/sf220-48p_firmware < 1.2.0.6
cisco/sg220-26_firmware < 1.2.0.6
cisco/sg220-26p_firmware < 1.2.0.6
cisco/sg220-28mp_firmware < 1.2.0.6
cisco/sg220-50_firmware < 1.2.0.6
cisco/sg220-50p_firmware < 1.2.0.6
Published Jun 16, 2021
Tracked Since Feb 18, 2026