What is CVE-2018-7749?

CVE-2018-7749 is a critical-severity vulnerability in Asyncssh_project Asyncssh, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-03-12.

How severe is CVE-2018-7749?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Asyncssh_project Asyncssh

CVE-2018-7749

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.

Vulnerability class: Broken Authentication

EPSS: 0.018 (75.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Asyncssh_project Asyncssh
N/a — versions n/a

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

cve@mitre.org (mailing-list, x_refsource_MLIST)
cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2018-7749?: CVE-2018-7749 is a critical-severity vulnerability in Asyncssh_project Asyncssh, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-03-12.
How severe is CVE-2018-7749?: Critical severity. CVSS v3 base score is 9.8 out of 10.