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2 vulnerabilities found for letmein by mbuesch
CVE-2025-52570 (GCVE-0-2025-52570)
Vulnerability from nvd – Published: 2025-06-24 03:13 – Updated: 2025-06-24 14:42
VLAI
Title
Letmein connection limiter allows an arbitrary amount of simultaneous connections
Summary
Letmein is an authenticating port knocker. Prior to version 10.2.1, The connection limiter is implemented incorrectly. It allows an arbitrary amount of simultaneously incoming connections (TCP, UDP and Unix socket) for the services letmeind and letmeinfwd. Therefore, the command line option num-connections is not effective and does not limit the number of simultaneously incoming connections. This issue has been patched in version 10.2.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/mbuesch/letmein/security/advis… | x_refsource_CONFIRM |
| https://github.com/mbuesch/letmein/commit/43207cd… | x_refsource_MISC |
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CVE-2025-52570 (GCVE-0-2025-52570)
Vulnerability from cvelistv5 – Published: 2025-06-24 03:13 – Updated: 2025-06-24 14:42
VLAI
Title
Letmein connection limiter allows an arbitrary amount of simultaneous connections
Summary
Letmein is an authenticating port knocker. Prior to version 10.2.1, The connection limiter is implemented incorrectly. It allows an arbitrary amount of simultaneously incoming connections (TCP, UDP and Unix socket) for the services letmeind and letmeinfwd. Therefore, the command line option num-connections is not effective and does not limit the number of simultaneously incoming connections. This issue has been patched in version 10.2.1.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/mbuesch/letmein/security/advis… | x_refsource_CONFIRM |
| https://github.com/mbuesch/letmein/commit/43207cd… | x_refsource_MISC |
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