Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2022-24883

Improper Authentication

Published: Apr 26, 2022 | Modified: Nov 03, 2025
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
9.8 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2022-24883
CWEhttps://cwe.mitre.org/data/definitions/287.html

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP). Prior to version 2.7.0, server side authentication against a SAM file might be successful for invalid credentials if the server has configured an invalid SAM file path. FreeRDP based clients are not affected. RDP server implementations using FreeRDP to authenticate against a SAM file are affected. Version 2.7.0 contains a fix for this issue. As a workaround, use custom authentication via HashCallback and/or ensure the SAM database path configured is valid and the application has file handles left.

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

NameVendorStart VersionEnd Version
FreerdpFreerdp*2.7.0 (excluding)
FreerdpUbuntubionic*
Freerdp2Ubuntubionic*
Freerdp2Ubuntuesm-infra/bionic*
Freerdp2Ubuntuesm-infra/focal*
Freerdp2Ubuntufocal*
Freerdp2Ubuntuimpish*
Freerdp2Ubuntujammy*
Freerdp2Ubuntuupstream*

Potential Mitigations

References

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