How severe is CVE-2018-12608?

CVE-2018-12608 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2018-12608 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-2018-12608?

CVE-2018-12608 affects Mobyproject Moby. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12608?

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-2018-12608 published?

CVE-2018-12608 was published on 2018-09-10 and last updated on 2026-06-17.

CVE-2018-12608

CVE-2018-12608 is a high-severity vulnerability in Mobyproject Moby with a CVSS 3.x base score of 7.5. 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 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Mobyproject Moby
Published: 2018-09-10
Last modified: 2026-06-17

Description

An issue was discovered in Docker Moby before 17.06.0. The Docker engine validated a client TLS certificate using both the configured client CA root certificate and all system roots on non-Windows systems. This allowed a client with any domain validated certificate signed by a system-trusted root CA (as opposed to one signed by the configured CA root certificate) to authenticate.

Frequently asked questions

What is CVE-2018-12608?: An issue was discovered in Docker Moby before 17.06.0. The Docker engine validated a client TLS certificate using both the configured client CA root certificate and all system roots on non-Windows systems. This allowed a client with any domain validated certificate signed by a system-trusted root CA (as opposed to one signed by the configured CA root certificate) to authenticate.
How severe is CVE-2018-12608?: CVE-2018-12608 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2018-12608 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-2018-12608?: CVE-2018-12608 affects Mobyproject Moby. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12608?: 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-2018-12608 published?: CVE-2018-12608 was published on 2018-09-10 and last updated on 2026-06-17.

References

https://github.com/moby/moby/pull/33182

Affected products (1)

cpe:2.3:a:mobyproject:moby:*:*:*:*:*:*:*:*

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