Improper Authentication Affecting python-asyncssh package, versions <1.12.1-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ECHOLATEST-PYTHONASYNCSSH-19946237
- published19 Sept 2026
- disclosed12 Mar 2018
Introduced: 12 Mar 2018
CVE-2018-7749 (opens in a new tab)How to fix?
Upgrade Echo:latest python-asyncssh to version 1.12.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python-asyncssh package and not the python-asyncssh package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
The SSH server implementation of AsyncSSH before 1.12.1 does not properly check whether authentication is completed before processing other requests. A customized SSH client can simply skip the authentication step.