Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Small Business Ip Phone Firmware | <= 7.6.2 |
| Cisco | Small Business Ip Phone | spa510 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/101488Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039615Third Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
- http://www.securityfocus.com/bid/101488Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039615Third Party AdvisoryVDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
FAQ
What is CVE-2017-12259?
CVE-2017-12259 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 aff...
How severe is CVE-2017-12259?
CVE-2017-12259 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-12259?
Check the references section above for vendor advisories and patch information. Affected products include: Cisco Small Business Ip Phone Firmware, Cisco Small Business Ip Phone.