How severe is CVE-2015-4271?

CVE-2015-4271 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2015-4271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4271?

CVE-2015-4271 primarily affects Cisco Telepresence Tc Software. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-4271?

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

When was CVE-2015-4271 published?

CVE-2015-4271 was published on 2015-07-15 and last updated on 2026-06-17.

CVE-2015-4271

CVE-2015-4271 is a medium-severity vulnerability in Cisco Telepresence Tc Software with a CVSS 2.0 base score of 6.4. 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-284.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Cisco Telepresence Tc Software
Published: 2015-07-15
Last modified: 2026-06-17

Description

Cisco TelePresence TC before 7.3.4 on Integrator C devices allows remote attackers to bypass authentication via vectors involving multiple request parameters, aka Bug ID CSCuv00604.

Frequently asked questions

What is CVE-2015-4271?: Cisco TelePresence TC before 7.3.4 on Integrator C devices allows remote attackers to bypass authentication via vectors involving multiple request parameters, aka Bug ID CSCuv00604.
How severe is CVE-2015-4271?: CVE-2015-4271 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2015-4271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4271?: CVE-2015-4271 primarily affects Cisco Telepresence Tc Software. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-4271?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4271 published?: CVE-2015-4271 was published on 2015-07-15 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:cisco:telepresence_tc_software:7.3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_tc_software:7.3.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_tc_software:7.3.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_tc_software:7.3.3:*:*:*:*:*:*:*

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