How severe is CVE-2019-3864?

CVE-2019-3864 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-3864 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3864?

CVE-2019-3864 affects Redhat Quay. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3864?

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-2019-3864 published?

CVE-2019-3864 was published on 2020-01-21 and last updated on 2026-06-17.

CVE-2019-3864

CVE-2019-3864 is a high-severity vulnerability in Redhat Quay with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Redhat Quay
Published: 2020-01-21
Last modified: 2026-06-17

Description

A vulnerability was discovered in all quay-2 versions before quay-3.0.0, in the Quay web GUI where POST requests include a specific parameter which is used as a CSRF token. The token is not refreshed for every request or when a user logged out and in again. An attacker could use a leaked token to gain access to the system using the user's account.

Frequently asked questions

What is CVE-2019-3864?: A vulnerability was discovered in all quay-2 versions before quay-3.0.0, in the Quay web GUI where POST requests include a specific parameter which is used as a CSRF token. The token is not refreshed for every request or when a user logged out and in again. An attacker could use a leaked token to gain access to the system using the user's account.
How severe is CVE-2019-3864?: CVE-2019-3864 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-3864 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3864?: CVE-2019-3864 affects Redhat Quay. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3864?: 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-2019-3864 published?: CVE-2019-3864 was published on 2020-01-21 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3864

Affected products (1)

cpe:2.3:a:redhat:quay:*:*:*:*:*:*:*:*

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