What it is about

Splunk Enterprise ermöglicht Monitoring und Analyse von Clickstream-Daten und Kundentransaktionen. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Splunk Enterprise ausnutzen, um beliebigen Programmcode auszuführen, einen Denial of Service Zustand herbeizuführen oder unbekannte Auswirkungen zu verursachen.

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 auszuführen
• einen Denial of Service Zustand herbeizuführen oder unbekannte Auswirkungen zu verursachen

Am I affected?

Affected according to the BSI:

• Splunk Splunk Enterprise Security <7.3.0
• Splunk Splunk Enterprise Security <7.2.0
• Splunk Splunk Enterprise Security <7.1.2
• Splunk Splunk Enterprise UBA <5.3.0
• Splunk Splunk Enterprise UBA <5.2.1
• Splunk Splunk Enterprise <9.2.1
• Splunk Splunk Enterprise <9.1.4
• Splunk Splunk Enterprise <9.0.9
• Atlassian Bitbucket <10.0.2
• Atlassian Bitbucket <8.19.25 (LTS)
• Atlassian Bitbucket <9.4.13 (LTS)
• Dell Data Protection Advisor <19.12

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

What helps?

Update to at least:

• Splunk Splunk Enterprise Security 7.3.0
• Splunk Splunk Enterprise Security 7.2.0
• Splunk Splunk Enterprise Security 7.1.2
• Splunk Splunk Enterprise UBA 5.3.0
• Splunk Splunk Enterprise UBA 5.2.1
• Splunk Splunk Enterprise 9.2.1
• Splunk Splunk Enterprise 9.1.4
• Splunk Splunk Enterprise 9.0.9
• Atlassian Bitbucket 10.0.2
• Atlassian Bitbucket 8.19.25 (LTS)
• Atlassian Bitbucket 9.4.13 (LTS)
• Dell Data Protection Advisor 19.12

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.