BLACKOUT MAP

Citrix: exploited vulnerabilities

AddedVulnerabilityProductSeverityAttack chance
Oct 4, 2026Improper Restriction of Operations within the Bounds of a Memory BufferCVE-2026-88779NetScalerHigh 8.711%
Sep 27, 2026Improper Restriction of Operations within the Bounds of a Memory BufferCVE-2026-88772NetScalerCritical 9.578%
Sep 27, 2026Improper Input ValidationCVE-2026-88771NetScalerCritical 9.582%
Sep 9, 2026Authentication Bypass Using an Alternate Path or ChannelCVE-2026-19490NetScalerCritical 9.333%
Aug 26, 2026Improper Restriction of Operations within the Bounds of a Memory BufferCVE-2026-8452NetScaler ADC and NetScaler GatewayHigh 8.81.0%
Mar 30, 2026Out-of-Bounds ReadCVE-2026-3055NetScalerCritical 9.391%
Aug 26, 2025Memory OverflowCVE-2025-7775NetScalerCritical 9.221%
Aug 25, 2025Deserialization of Untrusted DataCVE-2024-8069Session RecordingMedium 5.121%
Aug 25, 2025Improper Privilege ManagementCVE-2024-8068Session RecordingMedium 5.13.5%
Jul 10, 2025Out-of-Bounds ReadCVE-2025-5777used by ransomwareNetScaler ADC and GatewayCritical 9.3>99.9%
Jun 30, 2025Buffer OverflowCVE-2025-6543NetScaler ADC and GatewayCritical 9.210%
Jan 17, 2024Buffer OverflowCVE-2023-6549NetScaler ADC and NetScaler GatewayHigh 8.258%
Jan 17, 2024Code InjectionCVE-2023-6548NetScaler ADC and NetScaler GatewayMedium 5.53.2%
Oct 18, 2023Buffer OverflowCVE-2023-4966used by ransomwareNetScaler ADC and NetScaler GatewayCritical 9.4>99.9%
Aug 16, 2023ShareFile Improper Access ControlCVE-2023-24489Content CollaborationCritical 9.897%
Jul 19, 2023Code InjectionCVE-2023-3519used by ransomwareNetScaler ADC and NetScaler GatewayCritical 9.899.7%
Dec 13, 2022Authentication BypassCVE-2022-27518Application Delivery Controller (ADC) and GatewayCritical 9.86.9%
Mar 25, 2022Improper Access ControlCVE-2021-22941used by ransomwareShareFileCritical 9.854%
Mar 25, 2022Command InjectionCVE-2019-12991SD-WAN and NetScalerHigh 8.874%
Mar 25, 2022SQL InjectionCVE-2019-12989SD-WAN and NetScalerCritical 9.895%
Mar 25, 2022Multiple Products Remote Code ExecutionCVE-2017-6316NetScaler SD-WAN Enterprise, CloudBridge Virtual WAN, and XenMobile ServerCritical 9.873%
Nov 3, 2021ADC, Gateway, and SD-WAN WANOP Appliance Information DisclosureCVE-2020-8196Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP ApplianceMedium 4.326%
Nov 3, 2021ADC, Gateway, and SD-WAN WANOP Appliance Information DisclosureCVE-2020-8195Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP ApplianceMedium 6.533%
Nov 3, 2021ADC, Gateway, and SD-WAN WANOP Appliance Authorization BypassCVE-2020-8193Application Delivery Controller (ADC), Gateway, and SD-WAN WANOP ApplianceMedium 6.588%
Nov 3, 2021ADC, Gateway, and SD-WAN WANOP Appliance Code ExecutionCVE-2019-19781used by ransomwareApplication Delivery Controller (ADC), Gateway, and SD-WAN WANOP ApplianceCritical 9.8>99.9%
Nov 3, 2021XML External Entity (XXE) ProcessingCVE-2019-13608used by ransomwareStoreFront ServerHigh 7.530%
Nov 3, 2021Remote Code ExecutionCVE-2019-11634used by ransomwareWorkspace Application and Receiver for WindowsCritical 9.88.1%

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.