CVE-2017-12259

7.5HIGH

Key Information:

Vendor
Cisco
Status
Cisco Small Business Spa51x Series Ip Phones
Vendor
CVE Published:
19 October 2017

Summary

A vulnerability in the implementation of Session Initiation Protocol (SIP) functionality in Cisco Small Business SPA51x Series IP Phones could allow an unauthenticated, remote attacker to cause an affected device to become unresponsive, resulting in a denial of service (DoS) condition. The vulnerability is due to the improper handling of SIP request messages by an affected device. An attacker could exploit this vulnerability by sending malformed SIP messages to an affected device. A successful exploit could allow the attacker to cause the affected device to become unresponsive, resulting in a DoS condition that persists until the device is restarted manually. This vulnerability affects Cisco Small Business SPA51x Series IP Phones that are running Cisco SPA51x Firmware Release 7.6.2SR1 or earlier. Cisco Bug IDs: CSCvc63982.

Affected Version(s)

Cisco Small Business SPA51x Series IP Phones Cisco Small Business SPA51x Series IP Phones

References

https://tools.cisco.com/security/center/content/CiscoSecu...
x_refsource_CONFIRM
http://www.securitytracker.com/id/1039615
vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/101488
vdb-entryx_refsource_BID

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.