CVE-2016-5016

Cloud Foundry vulnerable to Improper Certificate Validation

5.9 MediumFix available

Pivotal Cloud Foundry 239 and earlier, UAA (aka User Account and Authentication Server) 3.4.1 and earlier, UAA release 12.2 and earlier, PCF (aka Pivotal Cloud Foundry) Elastic Runtime 1.6.x before 1.6.35, and PCF Elastic Runtime 1.7.x before 1.7.13 does not validate if a certificate is expired.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: High
Availability: None

Exploit likelihood

1.03%Down 0.1 points since Feb 4, 2022

What each source reports

NVD Score used 5.9

Record: CVE-2016-5016
CVSS 3.0: 5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-295
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-5016
Updated: 2026-11-02

EUVDEUVD-2022-5144 No score

Record: EUVD-2022-5144
Updated: 2026-11-03

GitHub AdvisoriesGHSA-rc2r-w8jv-vggp 5.9

Cloud Foundry vulnerable to Improper Certificate Validation

Record: GHSA-rc2r-w8jv-vggp
CVSS 3.0: 5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-295
Updated: 2026-11-02

OSV 5.9

Record: CVE-2016-5016
CVSS 3.0: 5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Updated: 2026-11-02

OSVGHSA-rc2r-w8jv-vggp 5.9

Cloud Foundry vulnerable to Improper Certificate Validation

Record: GHSA-rc2r-w8jv-vggp
CVSS 3.0: 5.9 MediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness: CWE-295
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.cloudfoundry.identity:cloudfoundry-identity-server` Maven	3.0.0 up to 3.3.0.3	3.3.0.3
`org.cloudfoundry.identity:cloudfoundry-identity-server` Maven	3.4.0 up to 3.4.2	3.4.2
`org.cloudfoundry.identity:cloudfoundry-identity-server` Maven	3.0.0 up to 3.3.0.3, plus listed versions 3.0.13.1.03.2.03.2.13.3.03.3.0.13.3.0.2	3.3.0.3

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-5016 is a medium vulnerability (CVSS 5.9) in Pivotal Software Cloud Foundry, published April 24, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.03%, the 63rd percentile. Fixed in org.cloudfoundry.identity:cloudfoundry-identity-server 3.3.0.3.

References

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