Auth bypass in Cassianetworks Access Controller

CVE-2023-35794

An issue was discovered in Cassia Access Controller 2.1.1.2303271039. The Web SSH terminal endpoint (spawned console) can be accessed without authentication. Specifically, there is no session cookie validation on the Access Controller; instead, there is only Basic Authentication to the SSH console.

Vulnerability class: Broken Authentication

EPSS: 0.009 (57.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-35794?
CVE-2023-35794 is a high-severity vulnerability in Cassianetworks Access Controller, classified under Improper Authentication. CVSS score: 8.8/10. Published 2023-10-27.
How severe is CVE-2023-35794?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2023-35794 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.