CVE-2017-12259 Details
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171018-sip | CVE | Vendor Advisory |
| http://www.securityfocus.com/bid/101488 | CVE | Third Party AdvisoryVDB Entry |
| http://www.securitytracker.com/id/1039615 | CVE | Third Party AdvisoryVDB Entry |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171018-sip | [email protected] | Vendor Advisory |
| http://www.securityfocus.com/bid/101488 | [email protected] | Third Party AdvisoryVDB Entry |
| http://www.securitytracker.com/id/1039615 | [email protected] | Third Party AdvisoryVDB Entry |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| cisco small business ip phone firmware | <= 7.6.2 |
CPE
Remediation
| |
| cisco small business ip phone | spa510 |
CPE
Remediation
| |
Change History
8 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| May 13, 2026 | CVE Status Change | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Oct 9, 2019 | CVE Modified | [email protected] |
| Nov 6, 2017 | Initial Analysis | [email protected] |
| Oct 23, 2017 | CVE Modified | [email protected] |
| Oct 20, 2017 | CVE Modified | [email protected] |