An issue was discovered in Dropbear through 2020.81. Due to a non-RFC-compliant check of the available authentication methods in the client-side SSH code, it is possible for an SSH server to change the login process in its favor. This attack can bypass additional security measures such as FIDO2 tokens or SSH-Askpass. Thus, it allows an attacker to abuse a forwarded agent for logging on to another server unnoticed.
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History
Thu, 15 May 2025 19:15:00 +0000
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Status: PUBLISHED
Assigner: mitre
Published: 2022-10-12T00:00:00.000Z
Updated: 2025-05-15T18:45:40.651Z
Reserved: 2021-07-09T00:00:00.000Z
Link: CVE-2021-36369
Updated: 2024-08-04T00:54:51.421Z
Status : Modified
Published: 2022-10-12T21:15:09.493
Modified: 2025-05-15T19:15:53.450
Link: CVE-2021-36369
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