How severe is CVE-2020-1717?

CVE-2020-1717 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-1717 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1717?

CVE-2020-1717 primarily affects Redhat Keycloak. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-1717?

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

When was CVE-2020-1717 published?

CVE-2020-1717 was published on 2021-02-11 and last updated on 2026-06-17.

CVE-2020-1717

CVE-2020-1717 is a low-severity vulnerability in Redhat Keycloak with a CVSS 3.x base score of 2.7. 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-209.

Key facts

Severity: Low (CVSS 3.x base score 2.7)
CVSS v2: 4.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-209
Affected product: Redhat Keycloak
Published: 2021-02-11
Last modified: 2026-06-17

Description

A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.

Frequently asked questions

What is CVE-2020-1717?: A flaw was found in Keycloak 7.0.1. A logged in user can do an account email enumeration attack.
How severe is CVE-2020-1717?: CVE-2020-1717 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-1717 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1717?: CVE-2020-1717 primarily affects Redhat Keycloak. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-1717?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1717 published?: CVE-2020-1717 was published on 2021-02-11 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:redhat:keycloak:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:jboss_fuse:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openshift_application_runtimes:-:*:*:*:*:*:*:*
cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*

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