How severe is CVE-2016-1387?

CVE-2016-1387 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-1387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1387?

CVE-2016-1387 primarily affects Cisco Telepresence Tc Software. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1387?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-1387 published?

CVE-2016-1387 was published on 2016-05-05 and last updated on 2026-06-17.

CVE-2016-1387

CVE-2016-1387 is a critical-severity vulnerability in Cisco Telepresence Tc Software with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 9.0
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Cisco Telepresence Tc Software
Published: 2016-05-05
Last modified: 2026-06-17

Description

The XML API in TelePresence Codec (TC) 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.3.2, 7.3.3, 7.3.4, and 7.3.5 and Collaboration Endpoint (CE) 8.0.0, 8.0.1, and 8.1.0 in Cisco TelePresence Software mishandles authentication, which allows remote attackers to execute control commands or make configuration changes via an API request, aka Bug ID CSCuz26935.

Frequently asked questions

What is CVE-2016-1387?: The XML API in TelePresence Codec (TC) 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.3.2, 7.3.3, 7.3.4, and 7.3.5 and Collaboration Endpoint (CE) 8.0.0, 8.0.1, and 8.1.0 in Cisco TelePresence Software mishandles authentication, which allows remote attackers to execute control commands or make configuration changes via an API request, aka Bug ID CSCuz26935.
How severe is CVE-2016-1387?: CVE-2016-1387 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-1387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1387?: CVE-2016-1387 primarily affects Cisco Telepresence Tc Software. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1387?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-1387 published?: CVE-2016-1387 was published on 2016-05-05 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:cisco:telepresence_tc_software:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:telepresence_tc_software:7.2.1:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

More vulnerabilities in Cisco Telepresence Tc Software

CVE-2014-2171 — Critical (CVSS 10.0): Heap-based buffer overflow in Cisco TelePresence TC Software 4.x through 6.x before 6.0.1 and TE Software 4.x and 6.0.x…
CVE-2014-2170 — Critical (CVSS 9.0): Cisco TelePresence TC Software 4.x and 5.x before 5.1.7 and 6.x before 6.0.1 and TE Software 4.x and 6.0 allow remote…
CVE-2014-2169 — Critical (CVSS 9.0): Cisco TelePresence TC Software 4.x through 6.x before 6.2.0 and TE Software 4.x and 6.0 allow remote authenticated…
CVE-2014-2174 — High (CVSS 8.3): Cisco TelePresence T, TelePresence TE, and TelePresence TC before 7.1 do not properly implement access control, which…
CVE-2013-3379 — High (CVSS 8.3): The firewall subsystem in Cisco TelePresence TC Software before 4.2 does not properly implement rules that grant access…
CVE-2015-0722 — High (CVSS 7.8): The network drivers in Cisco TelePresence T, Cisco TelePresence TE, and Cisco TelePresence TC before 7.3.2 allow remote…

All CVEs affecting Cisco Telepresence Tc Software →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
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…

Browse all CWE-287 (Improper Authentication) vulnerabilities →