How severe is CVE-2014-3312?

CVE-2014-3312 has a CVSS 2.0 base score of 6.9, rated medium severity.

Is CVE-2014-3312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3312?

CVE-2014-3312 primarily affects Cisco Spa 301 1 Line Ip Phone. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-3312?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-3312 published?

CVE-2014-3312 was published on 2014-07-09 and last updated on 2026-06-17.

CVE-2014-3312

CVE-2014-3312 is a medium-severity vulnerability in Cisco Spa 301 1 Line Ip Phone with a CVSS 2.0 base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 2.0 base score 6.9)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Spa 301 1 Line Ip Phone
Published: 2014-07-09
Last modified: 2026-06-17

Description

The debug console interface on Cisco Small Business SPA300 and SPA500 phones does not properly perform authentication, which allows local users to execute arbitrary debug-shell commands, or read or modify data in memory or a filesystem, via direct access to this interface, aka Bug ID CSCun77435.

Frequently asked questions

What is CVE-2014-3312?: The debug console interface on Cisco Small Business SPA300 and SPA500 phones does not properly perform authentication, which allows local users to execute arbitrary debug-shell commands, or read or modify data in memory or a filesystem, via direct access to this interface, aka Bug ID CSCun77435.
How severe is CVE-2014-3312?: CVE-2014-3312 has a CVSS 2.0 base score of 6.9, rated medium severity.
Is CVE-2014-3312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3312?: CVE-2014-3312 primarily affects Cisco Spa 301 1 Line Ip Phone. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3312?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3312 published?: CVE-2014-3312 was published on 2014-07-09 and last updated on 2026-06-17.

References

Affected products (16)

cpe:2.3:h:cisco:spa_301_1_line_ip_phone:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa_303_3_line_ip_phone:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa_501g_8-line_ip_phone:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa_502g_1-line_ip_phone:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa_504g_4-line_ip_phone:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa_508g_8-line_ip_phone:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa_509g_12-line_ip_phone:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa_512g_1-line_ip_phone:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa_514g_4-line_ip_phone:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa_525g_5-line_ip_phone:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa_525g2_5-line_ip_phone:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa901_1-line_ip_phone:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa922_1-line_ip_phone_with_1-port_ethernet:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa941_4-line_ip_phone_with_1-port_ethernet:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa942_4-line_ip_phone_with_2-port_switch:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:spa962_6-line_ip_phone_with_2-port_switch:*:*:*:*:*:*:*:*

More vulnerabilities in Cisco Spa 301 1 Line Ip Phone

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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