SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-24489

Citrix Content Collaboration ShareFile Improper Access Control Vulnerability

KEVCRITICAL 9.8EPSS 97.3%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 6 September 2023). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
97.34% probability · 100th percentile
CISA KEV
Listed 16 August 2023 · due 6 September 2023
Weakness
CWE-284
Affected
citrix/sharefile storage zones controller
Source
secure@citrix.com

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://support.citrix.com/article/CTX559517/sharefile-storagezones-controller-security-update-for-cve202324489; https://nvd.nist.gov/vuln/detail/CVE-2023-24489

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.