CVE-2025-56266

CRITICAL

Published Sep 8, 2025 Modified Sep 12, 2025 CWE-74 CWE-116 CWE-444

Description

A Host Header Injection vulnerability in Avigilon ACM v7.10.0.20 allows attackers to execute arbitrary code via supplying a crafted URL.

CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-74 CWE-74

CWE-116 CWE-116

CWE-444 CWE-444

Affected Products

Vendor	Product	Versions
avigilon	access_control_manager	All

References

Exploits

https://github.com/nikolas-ch/CVEs/blob/main/AvigilonACM_v7.10.0.20/HostHeaderInjection/HostHeaderInjection.txt 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/HostHeaderInjection

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-56266? +

CVE-2025-56266 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-56266? +

CVE-2025-56266 affects products from avigilon, specifically: access_control_manager. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-56266? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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