Cyber Resilience

CVE-2023-3466

High

Published: 19 July 2023

Published
19 July 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0120 79.3th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-3466 is a high-severity Improper Input Validation (CWE-20) vulnerability in Citrix Netscaler Application Delivery Controller. Its CVSS base score is 8.3 (High).

Operationally, ranked in the top 20.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Reflected Cross-Site Scripting (XSS)

CWE(s)

Related Threats

Threat-Actor AttributionAI

Clop
2023 Top Routinely Exploited Vulnerabilities | CISA
MirrorFace (G1054)
Spot the Difference: Earth Kasha's New LODEINFO Campaign And The Correlation Analysis With The APT10 Umbrella | Trend Micro (US)

Affected Assets

citrix
netscaler application delivery controller
11.1-65.22 · 12.1 — 12.1-55.297 · 12.1 — 12.1-55.297 · 13.0 — 13.0-91.13
citrix
netscaler gateway
13.0 — 13.0-91.13 · 13.1 — 13.1-49.13

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20 CWE-79

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References