CVE-2019-15959 Cisco Small Business SPA500 Series IP Phones Local Script Execution Vulnerability
A physically proximate attacker can execute arbitrary commands with elevated privileges on Cisco SPA500 IP phones by inserting a USB drive containing malicious scripts.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-15959?
CVE-2019-15959 is a medium-severity command injection vulnerability in Cisco SPA525G2 5-line IP Phone, published on 23 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability in Cisco Small Business SPA500 Series IP Phones could allow a physically proximate attacker to execute arbitrary commands on the device. The vulnerability is due to the presence of development testing and verification scripts that remained on the device. An attacker could exploit this vulnerability by accessing the physical interface of a device and inserting a USB storage device. A successful exploit could allow the attacker to execute scripts on the device in an elevated security context.
Weakness: CWE-20
Which versions are affected by CVE-2019-15959?
It affects 1 product.
Products include Cisco Spa500 Series Ip Phones Firmware.
How do I fix CVE-2019-15959?
No fix has been published for CVE-2019-15959 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-2019-15959 being exploited?
There is no known exploitation of CVE-2019-15959 in the wild and no public exploit code.
Sources
Also known as GHSA-6fhv-wpvj-mgr8.