CVE-2020-1724

MEDIUMNVD 4.34.3—

4.3

A flaw was found in Keycloak in versions before 9.0.2. This flaw allows a malicious user that is currently logged in, to see the personal information of a previously logged out user in the account manager section.

CVSS v3: 4.3
EG Score: 4.3(medium)
EPSS: 33.2%
KEV: Not listed

Published

May 11, 2020

Last Modified

November 21, 2024

References (2)

secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1724
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1724

Patch Availability(6)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	patch	2020-07-23	redhat
redhat	keycloak	2020-06-01	redhat
redhat	rh-sso7-keycloak-0:4.8.20-1.Final_redhat_00001.1.el7sso	2020-05-12	redhat
redhat	rh-sso7-keycloak-0:4.8.20-1.Final_redhat_00001.1.el8sso	2020-05-12	redhat
redhat	patch	2020-05-12	redhat
redhat	rh-sso7-keycloak-0:4.8.20-1.Final_redhat_00001.1.el6sso	2020-05-12	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.keycloak:keycloak-core	1.0-alpha-1 ... 9.0.0 (108 versions)	9.0.2	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-613Insufficient Session Expiration

All Vendor Advisories

(6)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 03:43 UTCEG score recompute
2026-05-27 03:43 UTCVendor advisory
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:48 UTCepss_batch

Frequently asked(5)

What is CVE-2020-1724?

CVE-2020-1724 is a medium vulnerability published on May 11, 2020. A flaw was found in Keycloak in versions before 9.0.2. This flaw allows a malicious user that is currently logged in, to see the personal information of a previously logged out user in the account manager section.

When was CVE-2020-1724 disclosed?

CVE-2020-1724 was first published in the National Vulnerability Database on May 11, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-1724 actively exploited?

CVE-2020-1724 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 33.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-1724?

CVE-2020-1724 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2020-1724?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-1724, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-1724

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CVE-2020-1724

Published

Last Modified

References (2)

Patch Availability(6)

Affected Packages

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-1724?

Same vendor

Same CWE

CVE-2020-1724

📅 Published

🔄 Last Modified

🔗 References (2)

Patch Availability(6)

Affected Packages

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-1724?

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References (2)

Frequently asked(5)

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