How severe is CVE-2016-0883?

CVE-2016-0883 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-2016-0883 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-0883?

CVE-2016-0883 primarily affects Pivotal Software Operations Manager. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-0883?

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-2016-0883 published?

CVE-2016-0883 was published on 2016-09-18 and last updated on 2026-06-17.

CVE-2016-0883

CVE-2016-0883 is a critical-severity vulnerability in Pivotal Software Operations Manager 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: 5.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Pivotal Software Operations Manager
Published: 2016-09-18
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2016-0883?: CVE-2016-0883 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-2016-0883 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-0883?: CVE-2016-0883 primarily affects Pivotal Software Operations Manager. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-0883?: 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-2016-0883 published?: CVE-2016-0883 was published on 2016-09-18 and last updated on 2026-06-17.

References

https://pivotal.io/security/pcf-ops-manager-weak-authentication-scheme

Affected products (10)

cpe:2.3:a:pivotal_software:operations_manager:*:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:operations_manager:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:operations_manager:1.6.1:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:operations_manager:1.6.2:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:operations_manager:1.6.3:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:operations_manager:1.6.4:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:operations_manager:1.6.5:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:operations_manager:1.6.6:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:operations_manager:1.6.7:*:*:*:*:*:*:*
cpe:2.3:a:pivotal_software:operations_manager:1.6.8:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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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…

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