CVE-2015-0670

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.

Published: 2015-03-20 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-0670 is rated Moderate Risk (53.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.76%). EPSS rose +1.45% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2015-0670

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.31% 1.76% +1.45%
2 2026-03-03 0.53% 0.31% -0.23%
3 2025-03-30 — 0.53% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-0670

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2015-0670

Affected software / configurations for CVE-2015-0670

Vendor Product Version Raw CPE
cisco spa500_firmware 7.5.5 cpe:2.3:o:cisco:spa500_firmware:7.5.5:*:*:*:*:*:*:*
cisco spa_501g_8-line_ip_phone — cpe:2.3:h:cisco:spa_501g_8-line_ip_phone:*:*:*:*:*:*:*:*
cisco spa_502g_1-line_ip_phone — cpe:2.3:h:cisco:spa_502g_1-line_ip_phone:*:*:*:*:*:*:*:*
cisco spa_504g_4-line_ip_phone — cpe:2.3:h:cisco:spa_504g_4-line_ip_phone:*:*:*:*:*:*:*:*
cisco spa_508g_8-line_ip_phone — cpe:2.3:h:cisco:spa_508g_8-line_ip_phone:*:*:*:*:*:*:*:*
cisco spa_509g_12-line_ip_phone — cpe:2.3:h:cisco:spa_509g_12-line_ip_phone:*:*:*:*:*:*:*:*
cisco spa_512g_1-line_ip_phone — cpe:2.3:h:cisco:spa_512g_1-line_ip_phone:*:*:*:*:*:*:*:*
cisco spa_514g_4-line_ip_phone — cpe:2.3:h:cisco:spa_514g_4-line_ip_phone:*:*:*:*:*:*:*:*
cisco spa_525g_5-line_ip_phone — cpe:2.3:h:cisco:spa_525g_5-line_ip_phone:*:*:*:*:*:*:*:*
cisco spa_525g2_5-line_ip_phone — cpe:2.3:h:cisco:spa_525g2_5-line_ip_phone:*:*:*:*:*:*:*:*
cisco spa300_firmware 7.5.5 cpe:2.3:o:cisco:spa300_firmware:7.5.5:*:*:*:*:*:*:*
cisco spa_301_1_line_ip_phone — cpe:2.3:h:cisco:spa_301_1_line_ip_phone:*:*:*:*:*:*:*:*
cisco spa_302d — cpe:2.3:h:cisco:spa_302d:*:*:*:*:*:*:*:*
cisco spa_302dkit — cpe:2.3:h:cisco:spa_302dkit:*:*:*:*:*:*:*:*
cisco spa_303_3_line_ip_phone — cpe:2.3:h:cisco:spa_303_3_line_ip_phone:*:*:*:*:*:*:*:*

References for CVE-2015-0670

cvelogic Threat Intelligence