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Vulnerabilities fixed in Citrix NetScaler ADC and Gateway

🗓️ 26 Aug 2025 17:34:30Reported by NCSCType 
ncsc
 ncsc🔗 advisories.ncsc.nl👁 8 Views

Citrix fixed memory overflow and access-control flaws in On-Premises NetScaler ADC and Gateway; patch now.

Related
Refs
ReporterTitlePublishedViews
Family
GithubExploit		Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Citrix Netscaler_Application_Delivery_Controller
28 Aug 202507:22
–githubexploit
GithubExploit		Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Citrix Netscaler_Application_Delivery_Controller
3 Jul 202520:02
–githubexploit
GithubExploit		Exploit for Out-of-bounds Read in Citrix Netscaler_Application_Delivery_Controller
30 Jun 202511:02
–githubexploit
GithubExploit		Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Citrix Netscaler_Application_Delivery_Controller
26 Jun 202515:05
–githubexploit
GithubExploit		Exploit for Improper Restriction of Operations within the Bounds of a Memory Buffer in Citrix Netscaler_Application_Delivery_Controller
31 Aug 202517:05
–githubexploit
ATTACKERKB		CVE-2025-6543
25 Jun 202500:00
–attackerkb
ATTACKERKB		CVE-2025-8424
26 Aug 202513:11
–attackerkb
BDU FSTEC		The vulnerability of the Citrix ADC application delivery controller (formerly Citrix NetScaler Application Delivery Controller) and the Citrix Gateway virtual environment access control system (formerly Citrix NetScaler Gateway) relates to an operation that goes beyond the buffer in memory, allowing a malicious actor to cause service failures.
28 Jul 202500:00
–bdu_fstec
BDU FSTEC		The vulnerability of NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) – systems for controlling access to virtual environments – allows a perpetrator to execute arbitrary code and trigger service failures.
27 Aug 202500:00
–bdu_fstec
BDU FSTEC		The vulnerability of the NetScaler ADC application delivery controller (formerly Citrix ADC) and the NetScaler Gateway virtual environment access control system (formerly Citrix Gateway) allows a attacker to cause service interruptions.
27 Aug 202500:00
–bdu_fstec
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26 Aug 2025 17:34Current
9.3High risk
Vulners AI Score9.3
CVSS 49.2
CVSS 3.19.8
EPSS0.18973
SSVC
Citrix NetScaler ADCCitrix GatewayMemory overflowAccess controlOn Premises installationsDenial of servicePatch updateNCSC advisoriesDetection scriptSecurity advisories
8