Cisco IP Phone 7800 and 8800 Series Session Initiation Protocol Denial of Service Vulnerability
CVE-2019-1922

5.3MEDIUM

Key Information:

Vendor

Cisco
Status
Cisco Ip Phone 8800 Series Software
Vendor
CVE Published:
6 July 2019

Badges

👾 Exploit Exists

What is CVE-2019-1922?

A vulnerability in Cisco SIP IP Phone Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected phone. The vulnerability is due to insufficient validation of input Session Initiation Protocol (SIP) packets. An attacker could exploit this vulnerability by altering the SIP replies that are sent to the affected phone during the registration process. A successful exploit could allow the attacker to cause the phone to reboot and not complete the registration process.

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Affected Version(s)

Cisco IP Phone 8800 Series Software < 12.0(1)MN130

References

https://tools.cisco.com/security/center/content/CiscoSecu...
vendor-advisoryx_refsource_CISCO

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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