PT-2021-3754 · Cisco · Cisco Small Business 220 Series Smart Switches

Jasper Lievisse Adriaanse · Published 2021-06-16 · Updated 2022-04-26 · CVE-2021-1543

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Cisco Small Business 220 Series Smart Switches (affected versions not specified)

Description The issue is related to multiple vulnerabilities in the web-based management interface, which could allow an attacker to hijack a user session, execute arbitrary commands as a root user on the underlying operating system, conduct a cross-site scripting (XSS) attack, or conduct an HTML injection attack. The vulnerability is also associated with a lack of protection for the web page structure, which could enable a remote attacker to perform cross-site scripting attacks using a specially crafted malicious link.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

XSS

Weakness Enumeration

CWE-287

CWE-79

Related Identifiers

BDU:2021-04008

CVE-2021-1543

Affected Products

Cisco Small Business 220 Series Smart Switches

References · 4

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ciscosb-multivulns-Wwyb7s5E · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04008 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1543 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1543 · Vendor Advisory