Cyber Resilience

CVE-2023-24487

Medium

Published: 10 July 2023

Published
10 July 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.3196 96.9th percentile
Risk Priority 32 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-24487 is a medium-severity Incorrect Check of Function Return Value (CWE-253) vulnerability in Citrix Application Delivery Controller. Its CVSS base score is 6.3 (Medium).

Operationally, ranked in the top 3.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

Citrix ADC and Citrix Gateway contain an arbitrary file read vulnerability identified as CVE-2023-24487. The flaw received a CVSS 3.1 base score of 6.3 and is associated with CWE-253. It affects the network-adjacent attack surface of these appliances and was publicly disclosed on 10 July 2023.

An unauthenticated attacker positioned on an adjacent network can exploit the issue without user interaction. Successful exploitation permits limited disclosure of file contents along with limited integrity and availability impacts on the affected appliance.

Citrix has published security bulletin CTX477714 that addresses both CVE-2023-24487 and the related CVE-2023-24488, directing customers to the corresponding software updates and configuration guidance for remediation. The EPSS score for this CVE has remained in the 0.32–0.36 range without a pronounced increase after disclosure.

EU & UK References

Vulnerability details

Arbitrary file read in Citrix ADC and Citrix Gateway 

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

citrix
application delivery controller
12.1 — 12.1-55.296 · 12.1 — 12.1-55.296 · 12.1 — 12.1-65.35
citrix
gateway
12.1 — 12.1-65.35 · 13.0 — 13.0-90.11 · 13.1 — 13.1-45.61

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References