How severe is CVE-2019-3777?

CVE-2019-3777 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2019-3777 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3777?

CVE-2019-3777 affects Pivotal Software Application Service. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3777?

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-2019-3777 published?

CVE-2019-3777 was published on 2019-03-07 and last updated on 2026-06-17.

CVE-2019-3777

CVE-2019-3777 is a high-severity vulnerability in Pivotal Software Application Service with a CVSS 3.x base score of 8.0. 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-295.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 5.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Pivotal Software Application Service
Published: 2019-03-07
Last modified: 2026-06-17

Description

Pivotal Application Service (PAS), versions 2.2.x prior to 2.2.12, 2.3.x prior to 2.3.7 and 2.4.x prior to 2.4.3, contain apps manager that uses a cloud controller proxy that fails to verify SSL certs. A remote unauthenticated attacker that could hijack the Cloud Controller's DNS record could intercept access tokens sent to the Cloud Controller, giving the attacker access to the user's resources in the Cloud Controller

Frequently asked questions

What is CVE-2019-3777?: Pivotal Application Service (PAS), versions 2.2.x prior to 2.2.12, 2.3.x prior to 2.3.7 and 2.4.x prior to 2.4.3, contain apps manager that uses a cloud controller proxy that fails to verify SSL certs. A remote unauthenticated attacker that could hijack the Cloud Controller's DNS record could intercept access tokens sent to the Cloud Controller, giving the attacker access to the user's resources in the Cloud Controller
How severe is CVE-2019-3777?: CVE-2019-3777 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2019-3777 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3777?: CVE-2019-3777 affects Pivotal Software Application Service. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3777?: 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-2019-3777 published?: CVE-2019-3777 was published on 2019-03-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pivotal_software:application_service:*:*:*:*:*:*:*:*

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