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) conv
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…
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco Small Business SPA500 Series IP Phones | 1.4.2 |
| Cisco | Cisco Small Business SPA112 Series IP Phones | 1.4.2 |
| Cisco | Cisco Small Business SPA525 Series IP Phones | 7.6.2 |
| Cisco | Cisco Small Business SPA5X5 Series IP Phones | 7.6.2 |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
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No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.