Security bypass in Cisco IOS - CVE-2017-6624

 

Security bypass in Cisco IOS - CVE-2017-6624

Published: May 5, 2017


Vulnerability identifier: #VU6428
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-6624
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco IOS

Detailed vulnerability description

The vulnerability allows a remote unauthenticated attacker to bypass security restrictions on the target system.

The weakness exists due to a configuration restriction in the toll-fraud protections component of the affected software. A remote attacker can use the affected system to place unauthorized, long-distance phone calls.

Successful exploitation of the vulnerability results in unauthorized phone calls.

How to mitigate CVE-2017-6624

Install update from vendor's website.

Sources