CVE-2025-56266CRITICAL 9.8EPSS p84.1%

CVE-2025-56266CVE-2025-56266

Description

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

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS2.72% probability of exploitation · percentile 84.1% · 2026-06-18T12:00:27Z
Published2025-09-08
Last modified2025-09-12

Underlying weaknesses· 3

CWE-74CWE-116CWE-444

References

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

3

TypeTargetConfidenceTier
WeaknessImproper Encoding or Escaping of Outputcwe-1160%live
WeaknessInconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')cwe-4440%live
WeaknessImproper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')cwe-740%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.