How severe is CVE-2016-2076?

CVE-2016-2076 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2016-2076 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-2076?

CVE-2016-2076 primarily affects Vmware Vcenter Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-2076?

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

When was CVE-2016-2076 published?

CVE-2016-2076 was published on 2016-04-15 and last updated on 2026-06-17.

CVE-2016-2076

CVE-2016-2076 is a high-severity vulnerability in Vmware Vcenter Server with a CVSS 3.x base score of 7.6. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.6)
CVSS v2: 6.8
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Vmware Vcenter Server
Published: 2016-04-15
Last modified: 2026-06-17

Description

Client Integration Plugin (CIP) in VMware vCenter Server 5.5 U3a, U3b, and U3c and 6.0 before U2; vCloud Director 5.5.5; and vRealize Automation Identity Appliance 6.2.4 before 6.2.4.1 mishandles session content, which allows remote attackers to hijack sessions via a crafted web site.

Frequently asked questions

What is CVE-2016-2076?: Client Integration Plugin (CIP) in VMware vCenter Server 5.5 U3a, U3b, and U3c and 6.0 before U2; vCloud Director 5.5.5; and vRealize Automation Identity Appliance 6.2.4 before 6.2.4.1 mishandles session content, which allows remote attackers to hijack sessions via a crafted web site.
How severe is CVE-2016-2076?: CVE-2016-2076 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2016-2076 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-2076?: CVE-2016-2076 primarily affects Vmware Vcenter Server. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-2076?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-2076 published?: CVE-2016-2076 was published on 2016-04-15 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:vmware:vcenter_server:*:1b:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:5.5:3a:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:5.5:3b:*:*:*:*:*:*
cpe:2.3:a:vmware:vcenter_server:5.5:u3c:*:*:*:*:*:*
cpe:2.3:a:vmware:vcloud_automation_identity_appliance:6.2.4:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vcloud_director:5.5.5:*:*:*:*:*:*:*

More vulnerabilities in Vmware Vcenter Server

CVE-2015-2342 — Critical (CVSS 10.0): The JMX RMI service in VMware vCenter Server 5.0 before u3e, 5.1 before u3b, 5.5 before u3, and 6.0 before u1 does not…
CVE-2013-1405 — Critical (CVSS 10.0): VMware vCenter Server 4.0 before Update 4b and 4.1 before Update 3a, VMware VirtualCenter 2.5, VMware vSphere Client…
CVE-2024-38812 — Critical (CVSS 9.8): The vCenter Server contains a heap-overflow vulnerability in the implementation of the DCERPC protocol. A malicious…
CVE-2024-37080 — Critical (CVSS 9.8): vCenter Server contains a heap-overflow vulnerability in the implementation of the DCERPC protocol. A malicious actor…
CVE-2024-37079 — Critical (CVSS 9.8): vCenter Server contains a heap-overflow vulnerability in the implementation of the DCERPC protocol. A malicious actor…
CVE-2023-34048 — Critical (CVSS 9.8): vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. A malicious…

All CVEs affecting Vmware Vcenter Server →

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 →