CVE-2025-5349

high

Description

Improper access control on the NetScaler Management Interface in NetScaler ADC and NetScaler Gateway

References

https://securityaffairs.com/179813/hacking/u-s-cisa-adds-citrix-netscaler-adc-and-gateway-flaw-to-its-known-exploited-vulnerabilities-catalog.html

https://www.infosecurity-magazine.com/news/citrixbleed-2-detection-analysis/

https://horizon3.ai/attack-research/attack-blogs/cve-2025-5777-citrixbleed-2-write-up-maybe/

https://www.helpnetsecurity.com/2025/06/30/citrixbleed-2-might-be-actively-exploited-cve-2025-5777/

https://www.infosecurity-magazine.com/news/citrixbleed-2-vulnerability/

https://securityaffairs.com/179339/hacking/citrixbleed-2-the-nightmare-that-echoes-the-citrixbleed-flaw-in-netscaler-devices.html

https://www.bleepingcomputer.com/news/security/new-citrixbleed-2-netscaler-flaw-let-hackers-hijack-sessions/

https://cyberscoop.com/citrix-zero-day-netscaler/

https://www.helpnetsecurity.com/2025/06/23/critical-citrix-netscaler-bug-fixed-upgrade-asap-cve-2025-5777/

https://www.securityweek.com/critical-vulnerability-patched-in-citrix-netscaler/

https://www.tenable.com/blog/cve-2025-5777-cve-2025-6543-frequently-asked-questions-about-citrixbleed-2

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420

Details

Source: Mitre, NVD

Published: 2025-06-17

Updated: 2025-08-06

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 8.7

Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

Severity: High

EPSS

EPSS: 0.00033