CVE-2023-24489

Citrix Content Collaboration: ShareFile Improper Access Control

As of , CVE-2023-24489 in Citrix Content Collaboration is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 16 August 2023
US federal deadline
6 September 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.97Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.59 on 16 August 2023EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
Vendor advice: support.citrix.comLinks below, from CISA's entry.

What CISA says to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA's required action

What the flaw is

Citrix Content Collaboration contains an improper access control vulnerability that could allow an unauthenticated attacker to remotely compromise customer-managed ShareFile storage zones controllers.

CISA's description

A vulnerability has been discovered in the customer-managed ShareFile storage zones controller which, if exploited, could allow an unauthenticated attacker to remotely compromise the customer-managed ShareFile storage zones controller.

The CVE record's description, from Citrix

CVE published
10 July 2023
Assigned by
Citrix
CVSS
9.8 Critical (CVSS 3.1, from the CNA)
CWE-284
Improper Access Control
CISA SSVC, exploitation
active
CISA SSVC, automatable
yes
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

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