CVE-2021-3856: Keycloak has Files or Directories Accessible to External Parties

CVE-2021-3856 · Severity: low · CVSS 3.1 · Published 2022-08-27

Keycloak has Files or Directories Accessible to External Parties

Technologies: org.keycloak:keycloak-core (Maven). Vendors: Maven.

Quick answers

Is CVE-2021-3856 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-3856 being exploited in the wild.
How severe is CVE-2021-3856?
Low severity, with a CVSS score of 3.1, published 27 August 2022.
Which products and versions are affected?
org.keycloak:keycloak-core (Maven) ECOSYSTEM:introduced=0,fixed=15.1.0.
Is there a fix for CVE-2021-3856?
Yes. org.keycloak:keycloak-core (Maven): upgrade to 15.1.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-3856?
Check whether you run org.keycloak:keycloak-core (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • org.keycloak:keycloak-core (Maven): upgrade to 15.1.0 or later
    # set org.keycloak:keycloak-core to 15.1.0 in your pom.xml or build.gradle

Affected products

  • org.keycloak:keycloak-core (Maven) ECOSYSTEM:introduced=0,fixed=15.1.0

Identifiers

  • CVE-2021-3856
  • GHSA-3w4v-rvc4-2xpw

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