Vulnerability in Cisco Ip Phone 7800 Series And 8800
CVE-2019-1635
A vulnerability in the call-handling functionality of Session Initiation Protocol (SIP) Software for Cisco IP Phone 7800 Series and 8800 Series could allow an unauthenticated, remote attacker to cause an affected phone to reload unexpectedly, resulting in a temporary denial of service (DoS) condition. The vulnerability is due to incomplete error handling when XML data within a SIP packet is parsed. An attacker could exploit this vulnerability by sending a SIP packet that contains a malicious XML payload to an affected phone. A successful exploit could allow the attacker to cause the affected phone to reload unexpectedly, resulting in a temporary DoS condition.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Cisco Ip Phone 7800 Series And 8800 — versions unspecified
- Cisco Wireless Ip Phone 8821 And 8821-Ex — versions unspecified
- Cisco Ip Conference Phone 7832
- Cisco Ip Conference Phone 7832 Firmware — versions 12.1\(1\)sr1, 12.1(1)sr1, 9.3\(4\)sr3
- Cisco Ip Conference Phone 8832
- Cisco Ip Conference Phone 8832 Firmware — versions 12.1\(1\)sr1, 12.1(1)sr1, 9.3\(4\)sr3
- Cisco Ip Phone 7811
- Cisco Ip Phone 7811 Firmware — versions 12.1\(1\)sr1, 12.1(1)sr1, 9.3\(4\)sr3
- Cisco Ip Phone 7821
- Cisco Ip Phone 7821 Firmware — versions 12.1\(1\)sr1, 12.1(1)sr1, 9.3\(4\)sr3
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190501… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1635?
- CVE-2019-1635 is a high-severity vulnerability in Cisco Ip Phone 7800 Series And 8800, classified under CWE-399. CVSS score: 7.5/10. Published 2019-05-03.
- How severe is CVE-2019-1635?
- High severity. CVSS v3 base score is 7.5 out of 10.