CVE-2026-109952
- Source
- https://cve.org/CVERecord?id=CVE-2026-109952
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-109952.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-109952
- Aliases
-
- GHSA-qq23-mqmv-pc65
- Downstream
- Published
- 2026-10-13T13:27:17Z
- Modified
- 2026-10-28T02:30:58Z
- Severity
-
- 6.0 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
- Summary
- FreeRDP 3.0.0 before 3.32.0 Security Protocol Downgrade via Negotiation Response
- Details
-
The FreeRDP client 3.0.0 before 3.32.0 does not check a server-selected PROTOCOL_RDSTLS or PROTOCOL_HYBRID_EX against its enabled protocol set in nego_process_negotiation_response(), allowing a security protocol downgrade. A malicious server or man-in-the-middle can select RDSTLS to override /sec:nla pinning, complete authentication with an all-zero cookie, and receive the user's cleartext password in the Client Info PDU.
- Database specific
{ "cna_assigner": "VulnCheck", "cwe_ids": [ "CWE-757" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109952.json" }- References
-
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109952.json
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qq23-mqmv-pc65
- https://nvd.nist.gov/vuln/detail/CVE-2026-109952
- https://www.vulncheck.com/advisories/freerdp-3.0.0-before-3.32.0-security-protocol-downgrade-via-negotiation-response
Affected packages
Git / github.com/freerdp/freerdp
Affected ranges
- Type
- GIT
- Repo
- https://github.com/freerdp/freerdp
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "3.0.0" }, { "fixed": "3.32.0" } ], "source": "AFFECTED_FIELD", "strategy": "StandardRange" }, { "cpe": "cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*", "range": [ { "introduced": "3.0.0" }, { "fixed": "3.32.0" } ], "source": "CPE_RANGE" } ] }