RCE in Cisco Aironet 1540
CVE-2023-20056
A vulnerability in the management CLI of Cisco access point (AP) software could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation of commands supplied by the user. An attacker could exploit this vulnerability by authenticating to a device and submitting crafted input to the affected command. A successful exploit could allow the attacker to cause an affected device to reload spontaneously, resulting in a DoS condition.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.003 (17.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-20056?
- CVE-2023-20056 is a medium-severity vulnerability in Cisco Aironet 1540, classified under OS Command Injection. CVSS score: 6.5/10. Published 2023-03-23.
- How severe is CVE-2023-20056?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-20056 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.