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.

Published: 2016-04-15 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-2076 is rated Moderate Risk (55.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.40%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-2076

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.44% 1.40% +0.96%
2 2025-03-30 0.61% 0.44% -0.17%
3 2025-03-29 0.61%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-2076

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.6 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
2.8 4.7 [email protected]
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2016-2076

Affected software / configurations for CVE-2016-2076

Vendor Product Version Raw CPE
vmware vcenter_server <= 6.0 cpe:2.3:a:vmware:vcenter_server:*:1b:*:*:*:*:*:*
vmware vcenter_server 5.5 cpe:2.3:a:vmware:vcenter_server:5.5:3a:*:*:*:*:*:*
vmware vcenter_server 5.5 cpe:2.3:a:vmware:vcenter_server:5.5:3b:*:*:*:*:*:*
vmware vcenter_server 5.5 cpe:2.3:a:vmware:vcenter_server:5.5:u3c:*:*:*:*:*:*
vmware vcloud_automation_identity_appliance 6.2.4 cpe:2.3:a:vmware:vcloud_automation_identity_appliance:6.2.4:*:*:*:*:*:*:*
vmware vcloud_director 5.5.5 cpe:2.3:a:vmware:vcloud_director:5.5.5:*:*:*:*:*:*:*

References for CVE-2016-2076

cvelogic Threat Intelligence