Auth bypass in Cisco iOS

CVE-2017-6624

A vulnerability in Cisco IOS 15.5(3)M Software for Cisco CallManager Express (CME) could allow an unauthenticated, remote attacker to make unauthorized phone calls. The vulnerability is due to a configuration restriction in the toll-fraud protections component of the affected software. An attacker could exploit this vulnerability to place unauthorized, long-distance phone calls by using an affected system. Cisco Bug IDs: CSCuy40939.

EPSS: 0.014 (69.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

  • Cisco Ios — versions 15.5\(3\)m
  • N/a Cisco Callmanager Express — versions Cisco CallManager Express

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-6624?
CVE-2017-6624 is a medium-severity vulnerability in Cisco iOS, classified under CWE-264. CVSS score: 5.3/10. Published 2017-05-03.
How severe is CVE-2017-6624?
Medium severity. CVSS v3 base score is 5.3 out of 10.