CVE-2016-0883

Pivotal Cloud Foundry (PCF) Ops Manager before 1.5.14 and 1.6.x before 1.6.9 uses the same cookie-encryption key across different customers' installations, which allows remote attackers to bypass session authentication by leveraging knowledge of this key from another installation.

Published: 2016-09-18 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-0883 is rated Moderate Risk (50.6/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.16%). 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-2016-0883

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 2025-03-30 0.30% 0.16% -0.15%
2 2025-03-29 0.16% 0.30% +0.15%
3 2025-03-19 — 0.16% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-0883

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 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:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
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:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2016-0883

Affected software / configurations for CVE-2016-0883

Vendor Product Version Raw CPE
pivotal_software operations_manager <= 1.5.13 cpe:2.3:a:pivotal_software:operations_manager:*:*:*:*:*:*:*:*
pivotal_software operations_manager 1.6.0 cpe:2.3:a:pivotal_software:operations_manager:1.6.0:*:*:*:*:*:*:*
pivotal_software operations_manager 1.6.1 cpe:2.3:a:pivotal_software:operations_manager:1.6.1:*:*:*:*:*:*:*
pivotal_software operations_manager 1.6.2 cpe:2.3:a:pivotal_software:operations_manager:1.6.2:*:*:*:*:*:*:*
pivotal_software operations_manager 1.6.3 cpe:2.3:a:pivotal_software:operations_manager:1.6.3:*:*:*:*:*:*:*
pivotal_software operations_manager 1.6.4 cpe:2.3:a:pivotal_software:operations_manager:1.6.4:*:*:*:*:*:*:*
pivotal_software operations_manager 1.6.5 cpe:2.3:a:pivotal_software:operations_manager:1.6.5:*:*:*:*:*:*:*
pivotal_software operations_manager 1.6.6 cpe:2.3:a:pivotal_software:operations_manager:1.6.6:*:*:*:*:*:*:*
pivotal_software operations_manager 1.6.7 cpe:2.3:a:pivotal_software:operations_manager:1.6.7:*:*:*:*:*:*:*
pivotal_software operations_manager 1.6.8 cpe:2.3:a:pivotal_software:operations_manager:1.6.8:*:*:*:*:*:*:*

References for CVE-2016-0883

cvelogic Threat Intelligence