CVE-2025-56266

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-56266
A Host Header Injection vulnerability in Avigilon ACM v7.10.0.20 allows attackers to execute arbitrary code via supplying a crafted URL.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/nikolas-ch/CVEs/blob/main/AvigilonACM_v7.10.0.20/HostHeaderInjection/HostHeaderInjection.txt Exploit Third Party Advisory
https://github.com/nikolas-ch/CVEs/tree/main/AvigilonACM_v7.10.0.20/ Exploit
https://github.com/nikolas-ch/CVEs/tree/main/AvigilonACM_v7.10.0.20/HostHeaderInjection Exploit
Configurations

Configuration 1 (hide)

cpe:2.3:a:avigilon:access_control_manager:7.10.0.20:*:*:*:*:*:*:*
History

12 Sep 2025, 20:44

Type Values Removed Values Added
First Time Avigilon access Control Manager
Avigilon
References () https://github.com/nikolas-ch/CVEs/blob/main/AvigilonACM_v7.10.0.20/HostHeaderInjection/HostHeaderInjection.txt - () https://github.com/nikolas-ch/CVEs/blob/main/AvigilonACM_v7.10.0.20/HostHeaderInjection/HostHeaderInjection.txt - Exploit, Third Party Advisory
References () https://github.com/nikolas-ch/CVEs/tree/main/AvigilonACM_v7.10.0.20/ - () https://github.com/nikolas-ch/CVEs/tree/main/AvigilonACM_v7.10.0.20/ - Exploit
References () https://github.com/nikolas-ch/CVEs/tree/main/AvigilonACM_v7.10.0.20/HostHeaderInjection - () https://github.com/nikolas-ch/CVEs/tree/main/AvigilonACM_v7.10.0.20/HostHeaderInjection - Exploit
CPE cpe:2.3:a:avigilon:access_control_manager:7.10.0.20:*:*:*:*:*:*:*

08 Sep 2025, 19:15

Type Values Removed Values Added
CWE CWE-444
CWE-74
CWE-116
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8

08 Sep 2025, 18:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-09-08 18:15

Updated : 2025-09-12 20:44

NVD link : CVE-2025-56266

Mitre link : CVE-2025-56266

CVE.ORG link : CVE-2025-56266

JSON object : View

Products Affected

avigilon

  • access_control_manager
CWE
CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-116

Improper Encoding or Escaping of Output

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')