CISA ADP Vulnrichment

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Affected scope and exposure questions

The current feed maps Open-Xchange GmbH/OX Dovecot CE (generic), Open-Xchange GmbH/OX Dovecot Pro (generic). Check affected ranges and fixed versions before updating.

Recommended response

1. 1Check inventory. Check lockfiles and deployed manifests for Open-Xchange GmbH/OX Dovecot CE, Open-Xchange GmbH/OX Dovecot Pro.
2. 2Review the reported fix. Update Open-Xchange GmbH/OX Dovecot CE to 2.4.5; Open-Xchange GmbH/OX Dovecot Pro to 2.3.22.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

1. Published upstream

   Aug 28, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

2. Source modified

   Aug 28, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

3. First seen by HOL

   Aug 28, 2026

Sources and claim methodology

• Source referencedocumentation.open-xchange.com

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