Auth bypass in Siemens Telecontrol Server Basic
CVE-2018-4836
A vulnerability has been identified in TeleControl Server Basic < V3.1. An authenticated attacker with a low-privileged account to the TeleControl Server Basic's port 8000/tcp could escalate his privileges and perform administrative operations.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Siemens Telecontrol Server Basic
- Siemens Ag Telecontrol Server Basic — versions All versions < V3.1
Weakness classification (CWE)
References
- www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-651454.pdf (Patch, Vendor Advisory)
- www.securityfocus.com/bid/102904 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/102897 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-4836?
- CVE-2018-4836 is a high-severity vulnerability in Siemens Telecontrol Server Basic, classified under Improper Authentication. CVSS score: 8.8/10. Published 2018-01-25.
- How severe is CVE-2018-4836?
- High severity. CVSS v3 base score is 8.8 out of 10.