Threat landscape
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Red Hat Single Sign On: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen

WID-SEC-2024-3589 · first 24.03.2020 · updated 08.06.2026 · CVSS 5,6

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What it is about

Red Hat Single Sign-On ist ein eigenständiger Server, basierend auf dem Keycloak Projekt. Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Single Sign On ausnutzen, um Sicherheitsvorkehrungen zu umgehen.

Under what conditions?

Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.

What can happen in the worst case

An attacker could use the vulnerability to

  • Sicherheitsvorkehrungen zu umgehen

Am I affected?

Affected according to the BSI:

  • Red Hat Enterprise Linux
  • Red Hat Single Sign On <7.3.7
  • SUSE openSUSE

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

  • Red Hat Single Sign On 7.3.7

Is the vulnerability already being exploited?

None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.

Information and sources

CVE: CVE-2020-1744

Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.

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