PT-2021-3723 · Cisco · Cisco Small Business 220 Series Smart Switches

Jasper Lievisse Adriaanse · Published 2021-06-16 · Updated 2022-08-05 · CVE-2021-1542

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

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

Description The issue concerns multiple vulnerabilities in the web-based management interface, potentially allowing an attacker to hijack a user session, execute arbitrary commands as a root user, conduct cross-site scripting (XSS) attacks, or perform HTML injection attacks. The vulnerability is also related to an incorrect session expiration time, which could enable a remote attacker to bypass authentication, gain unauthorized access to the device's web interface, and perform actions with administrator privileges.

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

Improper Authentication

Insufficient Session Expiration

Weakness Enumeration

CWE-287

CWE-613

Related Identifiers

BDU:2021-03963

CVE-2021-1542

Affected Products

Cisco Small Business 220 Series Smart Switches

References · 5

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ciscosb-multivulns-Wwyb7s5E · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1542 · Security Note
• https://bdu.fstec.ru/vul/2021-03963 · Security Note
• https://osv.dev/vulnerability/CVE-2021-1542 · Vendor Advisory
• https://vuldb.com/?id.177148 · Note