CVE-2025-5777

KEV
Published: Giu 17, 2025 Last Modified: Ott 30, 2025 EU-VD ID: EUVD-2025-18497
ExploitDB:
Other exploit source:
Google Dorks:
CRITICAL 9,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH 7,5
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none

Description

AI Translation Available

Insufficient input validation leading to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

EPSS (Exploit Prediction Scoring System)

Trend Analysis

EPSS (Exploit Prediction Scoring System)

Prevede la probabilità di sfruttamento basata su intelligence sulle minacce e sulle caratteristiche della vulnerabilità.

EPSS Score
0,7721
Percentile
1,0th
Updated

EPSS Score Trend (Last 90 Days)

125

Out-of-bounds Read

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Availability Other
Potential Impacts:
Read Memory Bypass Protection Mechanism Dos: Crash, Exit, Or Restart Varies By Context
Applicable Platforms
Languages: C, C++, Memory-Unsafe
Technologies: ICS/OT
View CWE Details
457

Use of Uninitialized Variable

Draft
Abstraction: Variant Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Integrity Other Authorization
Potential Impacts:
Other
Applicable Platforms
Languages: C, C++, Not Language-Specific, Perl, PHP
Likelihood of Exploit: High
View CWE Details
908

Use of Uninitialized Resource

Incomplete
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Confidentiality Availability
Potential Impacts:
Read Memory Read Application Data Dos: Crash, Exit, Or Restart
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: Medium
View CWE Details
Exploit

Citrix NetScaler ADC/Gateway 14.1 - Memory Disclosure

Citrix NetScaler ADC/Gateway 14.1 - Memory Disclosure

Author: Yesith Alvarez Published:
View Exploit Code →
Application

Netscaler Gateway by Citrix

Product Information
Vendor Citrix
Product Netscaler Gateway
Version Range Affected
From 13.1 (inclusive)
To 13.1-58.32 (exclusive)
cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Netscaler Application Delivery Controller by Citrix

Product Information
Vendor Citrix
Product Netscaler Application Delivery Controller
Version Range Affected
From 13.1 (inclusive)
To 13.1-58.32 (exclusive)
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Netscaler Application Delivery Controller by Citrix

Product Information
Vendor Citrix
Product Netscaler Application Delivery Controller
Version Range Affected
From 14.1 (inclusive)
To 14.1-43.56 (exclusive)
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Netscaler Application Delivery Controller by Citrix

Product Information
Vendor Citrix
Product Netscaler Application Delivery Controller
Version Range Affected
From 13.1 (inclusive)
To 13.1-37.235 (exclusive)
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Netscaler Gateway by Citrix

Product Information
Vendor Citrix
Product Netscaler Gateway
Version Range Affected
From 14.1 (inclusive)
To 14.1-43.56 (exclusive)
cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Netscaler Application Delivery Controller by Citrix

Product Information
Vendor Citrix
Product Netscaler Application Delivery Controller
Version Range Affected
From 12.1 (inclusive)
To 12.1-55.328 (exclusive)
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
Application

Netscaler Application Delivery Controller by Citrix

Product Information
Vendor Citrix
Product Netscaler Application Delivery Controller
Version Range Affected
From 13.1 (inclusive)
To 13.1-37.235 (exclusive)
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*
Common Platform Enumeration - Standardized vulnerability identification
https://doublepulsar.com/citrixbleed-2-exploitation-started…
https://doublepulsar.com/citrixbleed-2-exploitation-started-mid-june-how-to-spo…
https://reliaquest.com/blog/threat-spotlight-citrix-bleed-2…
https://reliaquest.com/blog/threat-spotlight-citrix-bleed-2-vulnerability-in-ne…
https://www.cisa.gov/known-exploited-vulnerabilities-catalo…
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025…
https://citrixbleed.com
https://citrixbleed.com
https://horizon3.ai/attack-research/attack-blogs/cve-2025-5…
https://horizon3.ai/attack-research/attack-blogs/cve-2025-5777-citrixbleed-2-wr…
https://labs.watchtowr.com/how-much-more-must-we-bleed-citr…
https://labs.watchtowr.com/how-much-more-must-we-bleed-citrix-netscaler-memory-…
https://www.bleepingcomputer.com/news/security/cisa-tags-ci…
https://www.bleepingcomputer.com/news/security/cisa-tags-citrix-bleed-2-as-expl…
https://www.netscaler.com/blog/news/netscaler-critical-secu…
https://www.netscaler.com/blog/news/netscaler-critical-security-updates-for-cve…
https://www.theregister.com/2025/07/10/cisa_citrixbleed_kev/
https://www.theregister.com/2025/07/10/cisa_citrixbleed_kev/
https://support.citrix.com/support-home/kbsearch/article?ar…
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420