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Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (HTTP API client, TLS transport modules) allows Adversary in the Middle (AiTM). This vulnerability is associated with program files src/hbbs_http/http_client.Rs and program routines TLS retry with danger_accept_invalid_certs(true).
This issue affects RustDesk Client: through 1.4.5.
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Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (HTTP API client, TLS transport modules) allows Adversary in the Middle (AiTM).
This vulnerability is associated with program files src/hbbs_http/http_client.Rs and program routines TLS retry with danger_accept_invalid_certs(true).
This issue affects RustDesk Client: through 1.4.8.
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
AND
OR
*cpe:2.3:a:rustdesk:rustdesk:*:*:*:*:webclient:*:*:* versions up to (including) 1.4.5
OR
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
VULSec Labs: https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub Types: Exploit, Third Party Advisory
VULSec Labs: https://www.vulsec.org/ Types: Not Applicable
Removed
Affected
[{"vendor":"rustdesk-client","product":"RustDesk Client","defaultStatus":"affected","collectionURL":"https://github.com/rustdesk/rustdesk/releases","packageName":"rustdesk-client","modules":["HTTP API client","TLS transport"],"platforms":["Windows","MacOS","Linux","iOS","Android"],"programFiles":["src/hbbs_http/http_client.rs","src/common.rs"],"programRoutines":[{"name":"post_request_() request-layer auto-downgrade (recurses with danger_accept_invalid_certs(true))"},{"name":"upsert_tls_cache() (caches accept-invalid decision per-URL)"}],"repo":"https://github.com/rustdesk/rustdesk,https://github.com/rustdesk/hbb_common","versions":[{"version":"0","lessThanOrEqual":"1.4.8","versionType":"custom","status":"affected"}]}]
CVE Rejected by VULSec Labs6/22/2026 10:17:10 AM
Action
Type
Old Value
New Value
CVE Modified by VULSec Labs6/22/2026 6:16:21 AM
Action
Type
Old Value
New Value
Changed
Description
Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (HTTP API client, TLS transport modules) allows Adversary in the Middle (AiTM). This vulnerability is associated with program files src/hbbs_http/http_client.Rs and program routines TLS retry with danger_accept_invalid_certs(true).
This issue affects RustDesk Client: through 1.4.5.
Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (HTTP API client, TLS transport modules) allows Adversary in the Middle (AiTM).
This vulnerability is associated with program files src/hbbs_http/http_client.Rs and program routines TLS retry with danger_accept_invalid_certs(true).
This issue affects RustDesk Client: through 1.4.8.
Changed
Affected
[{"vendor":"rustdesk-client","product":"RustDesk Client","defaultStatus":"affected","collectionURL":"https://github.com/rustdesk/rustdesk/releases","packageName":"rustdesk-client","modules":["HTTP API client","TLS transport"],"platforms":["Windows","MacOS","Linux","iOS","Android"],"programFiles":["src/hbbs_http/http_client.rs"],"programRoutines":[{"name":"TLS retry with danger_accept_invalid_certs(true)"}],"repo":"https://github.com/rustdesk/rustdesk,https://github.com/rustdesk/hbb_common","versions":[{"version":"0","lessThanOrEqual":"1.4.5","versionType":"custom","status":"affected"}]}]
[{"vendor":"rustdesk-client","product":"RustDesk Client","defaultStatus":"affected","collectionURL":"https://github.com/rustdesk/rustdesk/releases","packageName":"rustdesk-client","modules":["HTTP API client","TLS transport"],"platforms":["Windows","MacOS","Linux","iOS","Android"],"programFiles":["src/hbbs_http/http_client.rs","src/common.rs"],"programRoutines":[{"name":"post_request_() request-layer auto-downgrade (recurses with danger_accept_invalid_certs(true))"},{"name":"upsert_tls_cache() (caches accept-invalid decision per-URL)"}],"repo":"https://github.com/rustdesk/rustdesk,https://github.com/rustdesk/hbb_common","versions":[{"version":"0","lessThanOrEqual":"1.4.8","versionType":"custom","status":"affected"}]}]
[{"vendor":"rustdesk-client","product":"RustDesk Client","defaultStatus":"affected","collectionURL":"https://github.com/rustdesk/rustdesk/releases","packageName":"rustdesk-client","modules":["HTTP API client","TLS transport"],"platforms":["Windows","MacOS","Linux","iOS","Android"],"programFiles":["src/hbbs_http/http_client.rs"],"programRoutines":[{"name":"TLS retry with danger_accept_invalid_certs(true)"}],"repo":"https://github.com/rustdesk/rustdesk,https://github.com/rustdesk/hbb_common","versions":[{"version":"0","lessThanOrEqual":"1.4.5","versionType":"custom","status":"affected"}]}]
Initial Analysis by NIST3/25/2026 11:29:08 AM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Added
CPE Configuration
AND
OR
*cpe:2.3:a:rustdesk:rustdesk:*:*:*:*:webclient:*:*:* versions up to (including) 1.4.5
OR
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
Added
Reference Type
VULSec Labs: https://docs.google.com/document/d/e/2PACX-1vSds6jjpd38oO_yIAyd1HYtKNUuea-I-ozAPpGhYI7QgAU-QGJ7D8a4rOZVj1vmiUXV1EcdRHf9aZAW/pub Types: Exploit, Third Party Advisory
New CVE Received from VULSec Labs3/05/2026 11:16:20 AM
Action
Type
Old Value
New Value
Added
Description
Improper Certificate Validation vulnerability in rustdesk-client RustDesk Client rustdesk-client on Windows, MacOS, Linux, iOS, Android (HTTP API client, TLS transport modules) allows Adversary in the Middle (AiTM). This vulnerability is associated with program files src/hbbs_http/http_client.Rs and program routines TLS retry with danger_accept_invalid_certs(true).
This issue affects RustDesk Client: through 1.4.5.
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