Critical [CVE-2023-3519] NetScaler ADC: Unauthenticated remote code execution
This critical-severity NetScaler (Citrix) advisory covers CVE-2023-3519 affecting NetScaler ADC, NetScaler Gateway.
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Summary
Unauthenticated remote code execution
Affected products named by the advisory: NetScaler ADC; NetScaler Gateway.
CISA Known Exploited Vulnerability
- Listed:
- Jul 19, 2023 · federal remediation due Aug 9, 2023
- Required action:
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Ransomware use:
- Known
KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.
- NetScaler ADC 13.1 before 49.13
- NetScaler ADC 13.0 before 91.13
- NetScaler ADC 13.1-FIPS before 37.159
- NetScaler ADC 12.1-FIPS before 55.297
- NetScaler ADC 12.1-NDcPP before 55.297
- NetScaler Gateway 13.1 before 49.13
- NetScaler Gateway 13.0 before 91.13
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- 49.13
- 91.13
- 37.159
- 55.297
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 49.13, 91.13, 37.159, 55.297. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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