Actively exploited in the wild
Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability
Citrix - NetScaler ADC and NetScaler Gateway · Listed in the CISA KEV since 2024-01-17. This indicates confirmed attacks in production environments.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CVE-2023-6549
HighCVSS 8.2KEVSummary
W NetScaler ADC i NetScaler Gateway występuje niewłaściwe ograniczenie operacji w obrębie bufora pamięci, co umożliwia nieautoryzowane zdalne zablokowanie usługi oraz odczyt pamięci poza dozwolonym zakresem.
Risk Assessment
Organizacja może być narażona na ataki, które prowadzą do zablokowania usług oraz potencjalnego wycieku danych z pamięci, co może wpłynąć na dostępność i poufność systemów.
Recommendation
Zaleca się aktualizację do najnowszej wersji oprogramowania NetScaler ADC i NetScaler Gateway, aby usunąć tę podatność oraz wdrożenie monitorowania i zabezpieczeń w celu wykrywania nieautoryzowanych prób dostępu.
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Original NVD description (English source)
Improper Restriction of Operations within the Bounds of a Memory Buffer in NetScaler ADC and NetScaler Gateway allows Unauthenticated Denial of Service and Out-Of-Bounds Memory Read