PT-2021-3071 · Cisco · Cisco Small Business 500 Series Wireless Access Points+2

Published 2021-05-19 · Updated 2021-05-26 · CVE-2021-1548

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Cisco Small Business 100, 300, 500 Series Wireless Access Points (affected versions not specified)

Description The issue is related to insufficient validation of user-supplied input in the web-based management interface, allowing an authenticated, remote attacker to perform command injection attacks. This could enable the attacker to execute arbitrary commands with root privileges on the device by sending crafted HTTP requests to the interface. The attacker must have valid administrative credentials for the device to exploit this issue.

Recommendations To resolve the issue, update the device to a version that includes the fix for this problem. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

BDU:2021-02683

CVE-2021-1548

Affected Products

Cisco Small Business 100 Series Wireless Access Points

Cisco Small Business 300 Series Wireless Access Points

Cisco Small Business 500 Series Wireless Access Points

References · 5

• https://bdu.fstec.ru/vul/2021-02683 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-1548 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-inject-Mp9FSdG · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1548 · Vendor Advisory
• https://t.me/cvenotify/14879 · Telegram Post