CVE-2023-6548CitrixFirewall and VPNJanuary 17, 2024

Citrix NetScaler ADC and NetScaler Gateway Code Injection Vulnerability

Medium 5.5Actively exploited

Description

Citrix NetScaler ADC and NetScaler Gateway contain a code injection vulnerability that allows for authenticated remote code execution on the management interface with access to NSIP, CLIP, or SNIP.

What to do

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

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Details

Vendor
Citrix
Product
Citrix NetScaler ADC e NetScaler Gateway
CVE
CVE-2023-6548
Affected versions
NetScaler ADC 12.1: 12.1 before 12.1-55.302 — fixed in 12.1-55.302
NetScaler ADC 13.0: 13.0 before 13.0-92.21 — fixed in 13.0-92.21
NetScaler ADC 13.1: 13.1 before 13.1-51.15 / 13.1-37.176 — fixed in 13.1-51.15 (oppure 13.1-37.176)
NetScaler ADC 14.1: 14.1 before 14.1-12.35 — fixed in 14.1-12.35
NetScaler Gateway 13.0: 13.0 before 13.0-92.21 — fixed in 13.0-92.21
NetScaler Gateway 13.1: 13.1 before 13.1-51.15 — fixed in 13.1-51.15
NetScaler Gateway 14.1: 14.1 before 14.1-12.35 — fixed in 14.1-12.35 (from the advisory and NVD; check the exact builds in the official advisory)
CVSS score
5.5
Actively exploited
Yes, listed in the CISA Known Exploited Vulnerabilities catalog
CISA due date
January 24, 2024 (deadline for US federal agencies: a good benchmark for you too)
Source
CISA KEV – original advisory
Published
January 17, 2024

The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.

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