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Red Hat Enterprise Linux Server: Mehrere Schwachstellen

WID-SEC-2026-3114 · first 03.01.2017 · updated 01.09.2026 · CVSS 7,4

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What it is about

Red Hat Enterprise Linux Server ist eine Linux-Distribution der Firma Red Hat. Red Hat Enterprise Linux Workstation ist eine Linux-Distribution der Firma Red Hat. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux Server und Red Hat Enterprise Linux Workstation ausnutzen, um beliebigen Programmcode mit den Rechten des Dienstes auszuführen, einen Denial of Service Angriff durchzuführen, Sicherheitsvorkehrungen zu umgehen oder falsche Informationen darzustellen.

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

  • beliebigen Programmcode mit den Rechten des Dienstes auszuführen
  • einen Denial of Service Angriff durchzuführen
  • Sicherheitsvorkehrungen zu umgehen oder falsche Informationen darzustellen

Am I affected?

Affected according to the BSI:

  • Red Hat Enterprise Linux Server 6
  • Red Hat Enterprise Linux
  • Red Hat Enterprise Linux Workstation 6
  • Red Hat Enterprise Linux Workstation 7
  • Red Hat Enterprise Linux Server 7
  • Red Hat Enterprise Linux Server 7.1
  • Red Hat Enterprise Linux Server 7.2
  • Red Hat Enterprise Linux Server 6.7
  • Red Hat Enterprise Linux Server 7.3
  • Dell Secure Connect Gateway <5.36.00.16

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

What helps?

Update to at least:

  • Dell Secure Connect Gateway 5.36.00.16

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-2016-1669, CVE-2016-5180, CVE-2016-5325, CVE-2016-7099

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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