Vulnerability · Published Jan 19, 2023 · Assigned by cisco
CVE-2023-20018
High 8.6
In plain English
A high-severity authentication bypass in Cisco Session Initiation Protocol (SIP) Software from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Official description
A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass authentication on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to access certain parts of the web interface that would normally require authentication.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Session Initiation Protocol (SIP) Software | 9.3(4) 3rd Party9.3(4)SR3 3rd Party9.3(4)SR1 3rd Party9.3(4)SR2 3rd Party11.0(3)SR311.0(2)SR111.5(1)11.0(5)SR2 |
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H