VulnerabilityModified

CVE-2017-12328

MEDIUM 5.8EPSS 2.13%

Does this matter?

Lower severity and a low EPSS score (2.13%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability in Session Initiation Protocol (SIP) call handling in Cisco IP Phone 8800 Series devices could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition because the SIP process unexpectedly restarts. All active phone calls are dropped as the SIP process restarts. The vulnerability is due to incomplete input validation of the SIP packet header. An attacker could exploit this vulnerability by sending a malformed SIP packet to a targeted phone. An exploit could allow the attacker to cause a DoS condition because all phone calls are dropped when the SIP process unexpectedly restarts. Cisco Bug IDs: CSCvc62590.

CVSS 3.0: 5.8 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
EPSS: 2.13% probability · 82th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-20
Affected: cisco/ip phone 8800 series firmware
Source: psirt@cisco.com

EPSS trend

EPSS 2.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

http://www.securityfocus.com/bid/102003Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039922Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-ippVendor Advisory
http://www.securityfocus.com/bid/102003Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039922Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-ippVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.