Vulnerability in Cisco Small Business Spa112 Series Ip Phones
CVE-2019-1683
A vulnerability in the certificate handling component of the Cisco SPA112, SPA525, and SPA5X5 Series IP Phones could allow an unauthenticated, remote attacker to listen to or control some aspects of a Transport Level Security (TLS)-encrypted Session Initiation Protocol (SIP) conversation. The vulnerability is due to the improper validation of server certificates. An attacker could exploit this vulnerability by crafting a malicious server certificate to present to the client. An exploit could allow an attacker to eavesdrop on TLS-encrypted traffic and potentially route or redirect calls initiated by an affected device. Affected software include version 7.6.2 of the Cisco Small Business SPA525 Series IP Phones and Cisco Small Business SPA5X5 Series IP Phones and version 1.4.2 of the Cisco Small Business SPA500 Series IP Phones and Cisco Small Business SPA112 Series IP Phones.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.009 (58.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Cisco Small Business Spa112 Series Ip Phones — versions 1.4.2
- Cisco Small Business Spa500 Series Ip Phones — versions 1.4.2
- Cisco Small Business Spa525 Series Ip Phones — versions 7.6.2
- Cisco Small Business Spa5x5 Series Ip Phones — versions 7.6.2
- Cisco Spa112
- Cisco Spa112 Firmware — versions 1.4.2
- Cisco Spa500
- Cisco Spa500ds
- Cisco Spa500ds Firmware — versions 1.4.2
- Cisco Spa500 Firmware — versions 1.4.2
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190220… (vendor-advisory, Vendor Advisory)
- www.securityfocus.com/bid/107111 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
Frequently asked questions
- What is CVE-2019-1683?
- CVE-2019-1683 is a high-severity vulnerability in Cisco Small Business Spa112 Series Ip Phones, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2019-02-25.
- How severe is CVE-2019-1683?
- High severity. CVSS v3 base score is 7.4 out of 10.