SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2007-4459

Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.7(0), allows remote attackers to cause a denial of service (device reboot) via (1) a certain sequence of 10 invalid SIP INVITE and OPTIONS messages; or (2) a…

HIGH 7.1EPSS 14.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 14.0%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

Cisco IP Phone 7940 and 7960 with P0S3-08-6-00 firmware, and other SIP firmware before 8.7(0), allows remote attackers to cause a denial of service (device reboot) via (1) a certain sequence of 10 invalid SIP INVITE and OPTIONS messages; or (2) a certain invalid SIP INVITE message that contains a remote tag, followed by a certain set of two related SIP OPTIONS messages.

CVSS 2.0
7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
EPSS
13.99% probability · 96th percentile
CISA KEV
Not listed
Weakness
CWE-20
Affected
cisco/voip phone cp-7940 · cisco/voip phone cp-7960
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.