超危
Citrix NetScaler ADC和NetScaler Gateway信息泄露漏洞(CVE-2025-5777)
2025-06-17 12:29:34 公开 ，2026-08-04 05:05:32 更新
- 勒索软件漏洞
- APT漏洞
- CISA KEV
- 关键漏洞
- CWE Top 25 (2023)
- CWE Top 25 (2024)
- 远程
- 无需认证
- 公开PoC
风险信息
- CVSS v3.1 向量
- AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CVSS v3.1 风险值
- 7.5
- CVSS v4.0 向量
- AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
- CVSS v4.0 风险值
- 9.3
详细信息
- 漏洞类型
- 缓冲区错误
- 漏洞描述
- Citrix NetScaler ADC和Gateway存在输入验证不足导致的越界读取漏洞。当NetScaler配置为Gateway（VPN虚拟服务器、ICA代理、CVPN、RDP代理）或AAA虚拟服务器时，此漏洞可能导致内存过度读取。
- 修复建议
- 请参阅Citrix Security Advisory CTX693420以获取补丁、升级或建议的解决方法信息。参考链接： https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420
参考链接
- https://doublepulsar.com/citrixbleed-2-exploitation-started-mid-june-how-to-spot-it-f3106392aa71
NVD · Third Party Advisory
- https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX693420
CVE · Vendor Advisory
- https://reliaquest.com/blog/threat-spotlight-citrix-bleed-2-vulnerability-in-netscaler-adc-gateway-devices/
NVD · Third Party Advisory
- https://labs.watchtowr.com/how-much-more-must-we-bleed-citrix-netscaler-memory-disclosure-citrixbleed-2-cve-2025-5777/
NVD · Third Party Advisory
- https://horizon3.ai/attack-research/attack-blogs/cve-2025-5777-citrixbleed-2-write-up-maybe/
NVD · Third Party Advisory
- https://www.netscaler.com/blog/news/netscaler-critical-security-updates-for-cve-2025-6543-and-cve-2025-5777/
NVD · Third Party Advisory
- https://www.bleepingcomputer.com/news/security/cisa-tags-citrix-bleed-2-as-exploited-gives-agencies-a-day-to-patch/
NVD · Press/Media Coverage · Third Party Advisory
- https://www.theregister.com/2025/07/10/cisa_citrixbleed_kev/
NVD · Press/Media Coverage
- https://nvd.nist.gov/vuln/detail/CVE-2025-5777
CNNVD
- https://citrixbleed.com
NVD · Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5777
NVD · US Government Resource