CVE-2015-0670

What it is

The default configuration of Cisco Small Business IP phones SPA 300 7.5.5 and SPA 500 7.5.5 does not properly support authentication, which allows remote attackers to read audio-stream data or originate telephone calls via a crafted XML request, aka Bug ID CSCuo52482.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

1.8% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2015-03-21 01:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:20 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.8% in the next 30 days (EPSS).
• Severity: 6.4 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2015-03-21 01:59 UTC

Last modified

2026-06-17 00:20 UTC

Exploit probability

1.8% · EPSS, next 30 days

Weakness

CWE-287 · Improper authentication

Record status

Modified

Affected

• Cisco spa500 Firmware 7.5.5
• Cisco Spa 501g 8-line Ip Phone
• Cisco Spa 502g 1-line Ip Phone
• Cisco Spa 504g 4-line Ip Phone
• Cisco Spa 508g 8-line Ip Phone
• Cisco Spa 509g 12-line Ip Phone
• Cisco Spa 512g 1-line Ip Phone
• Cisco Spa 514g 4-line Ip Phone

Attack profile CVSS 2.0 · 6.4

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2015-0670.md and follow it. Check whether this project is affected by CVE-2015-0670. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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