Description
FreeRDP 3.0.0 before 3.32.0 contains an improper certificate validation vulnerability in freerdp_http_request() in libfreerdp/utils/http.c that completes TLS handshakes without verifying the server certificate chain. On-path attackers can impersonate login.microsoftonline.com in the Azure AD authentication flow to capture OAuth authorization codes and substitute the OpenID discovery document.
Published: 2026-10-12
Score: 7.4 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Wed, 14 Oct 2026 00:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Tue, 13 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 12 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Description FreeRDP 3.0.0 before 3.32.0 contains an improper certificate validation vulnerability in freerdp_http_request() in libfreerdp/utils/http.c that completes TLS handshakes without verifying the server certificate chain. On-path attackers can impersonate login.microsoftonline.com in the Azure AD authentication flow to capture OAuth authorization codes and substitute the OpenID discovery document.
Title FreeRDP 3.0.0 before 3.32.0 Improper Certificate Validation in freerdp_http_request
First Time appeared Freerdp
Freerdp freerdp
Weaknesses CWE-295
CPEs cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
Vendors & Products Freerdp
Freerdp freerdp
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 7.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-13T18:01:03.073Z

Reserved: 2026-10-12T14:07:56.521Z

Link: CVE-2026-109245

cve-icon Vulnrichment

Updated: 2026-10-13T18:00:58.825Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-12T17:17:15.480

Modified: 2026-10-14T20:11:45.520

Link: CVE-2026-109245

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-12T16:04:20Z

Links: CVE-2026-109245 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-13T06:30:13Z

Weaknesses