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VULNERABILITIES

CVE-2026-109949 Details

Description

FreeRDP 3.0.0 before 3.32.0 contains an improper restriction of excessive authentication attempts in its virtual smartcard GIDS implementation, which stores the PIN retry counter per-handle. A malicious RDP server can exhaust the counter with VERIFY APDUs, then request a new SCardConnect to reset attempts, enabling unbounded online brute-forcing of the configured smartcard PIN.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-chh2-527f-x255 [email protected]ExploitVendor Advisory
https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-pin-brute-force-via-virtual-smartcard [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-307Improper Restriction of Excessive Authentication Attempts[email protected]

Affected Products

ProductVersions
freerdp freerdp
>= 3.0.0, < 3.32.0

CPE

  • cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-109949
NVD Published Date:
Oct 13, 2026
NVD Last Modified:
Oct 21, 2026
Source:
[email protected]
CVE-2026-109949 Details - Not Deferred