CVE-2019-1922: medium-severity vulnerability in Cisco IP Phone 8800 Series Software
Cisco IP Phone 7800 and 8800 Series Session Initiation Protocol Denial of Service Vulnerability
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 1.3%
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.
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected products
Cisco · Cisco IP Phone 8800 Series SoftwareRelated CVEs — Cisco IP Phone 8800 Series Software
In the same product, most dangerous first.
CVE-2019-1766HIGHCisco IP Phone 8800 Series File Upload Denial of Service VulnerabilityEPSS 1.5%CVE-2018-0461MEDIUMCisco IP Phone 8800 Series Arbitrary Script Injection VulnerabilityEPSS 1.5%CVE-2020-3360MEDIUMCisco IP Phones Series 7800 and Series 8800 Call Log Information Disclosure VulnerabilityEPSS 1.3%CVE-2019-1684MEDIUMCisco IP Phone 7800 and 8800 Series Cisco Discovery Protocol and Link Layer Discovery Protocol Denial of Service VulnerabilityEPSS 0.6%