Vardion

Every exploited vulnerability / Citrix

CVE-2023-24489 in Citrix Content Collaboration: known exploited

Generated from its entry in CISA's catalogue of known exploited vulnerabilities as of 3 November 2026.

Attackers are exploiting CVE-2023-24489 in Citrix Content Collaboration. CISA has listed it as known exploited since 16 August 2023.

ProductCitrix Content Collaboration
Known exploited since16 August 2023
Ransomware useNot recorded
EU vulnerability databaseEUVD-2023-28507
SourcesNVD · CISA KEV

What it means

Attackers have used this vulnerability in real attacks. An unpatched Citrix Content Collaboration that can be reached from the internet is exposed to them.

What to do

  1. Apply the vendor's fix to every system running Citrix Content Collaboration, starting with those reachable from the internet. Take a system off the internet until it can be fixed.
  2. Check the system for signs that it was reached before the fix.

How Vardion finds it

Wherever a scan or your imported scanner results find CVE-2023-24489, Vardion names the systems affected and puts the fix at the top of the list.

Know before an attacker does

Book a demoCheck your domain