How severe is CVE-2011-1603?

CVE-2011-1603 has a CVSS 2.0 base score of 6.6, rated medium severity.

Is CVE-2011-1603 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1603?

CVE-2011-1603 primarily affects Cisco Unified Ip Phone 7906. In total, 147 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1603?

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

When was CVE-2011-1603 published?

CVE-2011-1603 was published on 2011-06-02 and last updated on 2026-06-16.

CVE-2011-1603

CVE-2011-1603 is a medium-severity vulnerability in Cisco Unified Ip Phone 7906 with a CVSS 2.0 base score of 6.6. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.6)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Cisco Unified Ip Phone 7906
Published: 2011-06-02
Last modified: 2026-06-16

Description

Cisco Unified IP Phones 7900 devices (aka TNP phones) with software before 9.2.1 allow local users to gain privileges via unspecified vectors, aka Bug ID CSCtn65815.

Frequently asked questions

What is CVE-2011-1603?: Cisco Unified IP Phones 7900 devices (aka TNP phones) with software before 9.2.1 allow local users to gain privileges via unspecified vectors, aka Bug ID CSCtn65815.
How severe is CVE-2011-1603?: CVE-2011-1603 has a CVSS 2.0 base score of 6.6, rated medium severity.
Is CVE-2011-1603 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1603?: CVE-2011-1603 primarily affects Cisco Unified Ip Phone 7906. In total, 147 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1603?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1603 published?: CVE-2011-1603 was published on 2011-06-02 and last updated on 2026-06-16.

References

Affected products (147)

cpe:2.3:h:cisco:unified_ip_phone_7906:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7911g:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7931g:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7941g:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7941g-ge:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7942g:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7945g:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7961g:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7961g-ge:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7962g:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7965g:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7970g:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7971g-ge:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:unified_ip_phone_7975g:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:*:sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(2\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.0\(9\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.2\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.3\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.3\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.3\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.3\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.3\(4\):sr1:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.4\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:1.4\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:2.0\(0\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:2.0\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.0:*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.0\(0\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.0\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.0\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:skinny_client_control_protocol_software:3.1\(2\):*:*:*:*:*:*:*

More vulnerabilities in Cisco Unified Ip Phone 7906

CVE-2011-1602 — Medium (CVSS 6.6): The su utility on Cisco Unified IP Phones 7900 devices (aka TNP phones) with software before 9.0.3 allows local users…
CVE-2011-1637 — Low (CVSS 1.5): Cisco Unified IP Phones 7900 devices (aka TNP phones) with software before 9.2.1 do not properly verify signatures for…

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