PT-2021-3077 · Cisco · Cisco Small Business 500 Series Wireless Access Points+2

Published 2021-05-19 · Updated 2021-05-26 · CVE-2021-1550

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 arguments passed to a command in the web-based management interface of certain Cisco Small Business Wireless Access Points. This could allow a remote attacker to perform command injection attacks against an affected device. The attacker must have valid administrative credentials for the device to exploit this issue. The exploitation involves sending crafted HTTP requests to the web-based management interface, potentially allowing the attacker to execute arbitrary commands with root privileges on the device.

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:2021-02689

CVE-2021-1550

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 · 6

• https://nvd.nist.gov/vuln/detail/CVE-2021-1550 · Security Note
• https://bdu.fstec.ru/vul/2021-02689 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-wap-inject-Mp9FSdG · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-1550 · Vendor Advisory
• https://t.me/cvenotify/14877 · Telegram Post
• https://t.me/cvenotify/15101 · Telegram Post