How severe is CVE-2018-15800?

CVE-2018-15800 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2018-15800 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15800?

CVE-2018-15800 affects Cloud Foundry Bits Service. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15800?

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-2018-15800 published?

CVE-2018-15800 was published on 2018-12-10 and last updated on 2026-06-17.

CVE-2018-15800

CVE-2018-15800 is a high-severity vulnerability in Cloud Foundry Bits Service with a CVSS 3.x base score of 8.1. 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-200.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 3.5
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cloud Foundry Bits Service
Published: 2018-12-10
Last modified: 2026-06-17

Description

Cloud Foundry Bits Service, versions prior to 2.18.0, includes an information disclosure vulnerability. A remote malicious user may execute a timing attack to brute-force the signing key, allowing them complete read and write access to the the Bits Service storage.

Frequently asked questions

What is CVE-2018-15800?: Cloud Foundry Bits Service, versions prior to 2.18.0, includes an information disclosure vulnerability. A remote malicious user may execute a timing attack to brute-force the signing key, allowing them complete read and write access to the the Bits Service storage.
How severe is CVE-2018-15800?: CVE-2018-15800 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2018-15800 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15800?: CVE-2018-15800 affects Cloud Foundry Bits Service. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15800?: 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-2018-15800 published?: CVE-2018-15800 was published on 2018-12-10 and last updated on 2026-06-17.

References

https://www.cloudfoundry.org/blog/cve-2018-15800

Affected products (1)

cpe:2.3:a:cloud_foundry:bits_service:*:*:*:*:*:*:*:*

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