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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (59.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Cassianetworks Access Controller — versions 2.1.1.2303271039
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.cassianetworks.com/products/iot-access-controller/ (Product)
- github.com/Dodge-MPTC/CVE-2023-35794-WebSSH-Hijacking (Exploit, Third Party Advisory)
- blog.kscsc.online/cves/202335794/md.html
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.