How severe is CVE-2020-1694?

CVE-2020-1694 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-1694 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1694?

CVE-2020-1694 affects Redhat Keycloak. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-1694?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-1694 published?

CVE-2020-1694 was published on 2020-09-16 and last updated on 2026-06-17.

CVE-2020-1694

CVE-2020-1694 is a medium-severity vulnerability in Redhat Keycloak with a CVSS 3.x base score of 4.9. 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-732.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Redhat Keycloak
Published: 2020-09-16
Last modified: 2026-06-17

Description

A flaw was found in all versions of Keycloak before 10.0.0, where the NodeJS adapter did not support the verify-token-audience. This flaw results in some users having access to sensitive information outside of their permissions.

Frequently asked questions

What is CVE-2020-1694?: A flaw was found in all versions of Keycloak before 10.0.0, where the NodeJS adapter did not support the verify-token-audience. This flaw results in some users having access to sensitive information outside of their permissions.
How severe is CVE-2020-1694?: CVE-2020-1694 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-1694 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1694?: CVE-2020-1694 affects Redhat Keycloak. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1694?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1694 published?: CVE-2020-1694 was published on 2020-09-16 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1790759

Affected products (1)

cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*

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