CVE-2021-1547 Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vulnerabilities
Authenticated attackers can execute arbitrary commands with root privileges on Cisco Small Business Wireless Access Points via crafted HTTP requests.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1547?
CVE-2021-1547 is a medium-severity command injection vulnerability in Cisco Business Wireless Access Point Software, published on 22 May 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Multiple vulnerabilities in the web-based management interface of certain Cisco Small Business 100, 300, and 500 Series Wireless Access Points could allow an authenticated, remote attacker to perform command injection attacks against an affected device. These vulnerabilities are due to improper validation of user-supplied input. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to the web-based management interface of an affected system. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the device. To exploit these vulnerabilities, the attacker must have valid administrative credentials for the device.
Weakness: CWE-77
Which versions are affected by CVE-2021-1547?
It affects 6 products.
Products include Cisco Wap125 Firmware, Cisco Wap131 Firmware, Cisco Wap150 Firmware, Cisco Wap351 Firmware, Cisco Wap361 Firmware, Cisco Wap581 Firmware.
How do I fix CVE-2021-1547?
No fix has been published for CVE-2021-1547 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-1547 being exploited?
There is no known exploitation of CVE-2021-1547 in the wild and no public exploit code.
Other vulnerabilities in Cisco Business Wireless Access Point Software
- CVE-2021-1400 Cisco Small Business 100, 300, and 500 Series Wireless Access Points Vulnerabilities
- CVE-2021-1401 Cisco Small Business 100, 300, and 500 Series Wireless Access Points Vulnerabilities
- CVE-2021-1548 Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vulnerabilities
- CVE-2021-1549 Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vulnerabilities
- CVE-2021-1550 Cisco Small Business 100, 300, and 500 Series Wireless Access Points Command Injection Vulnerabilities
Sources
Also known as GHSA-jrc3-73h8-r5r6.