Auth bypass in Siemens Sppa-T3000 Application Server
CVE-2019-18284
A vulnerability has been identified in SPPA-T3000 Application Server (All versions < Service Pack R8.2 SP2). The AdminService is available without authentication on the Application Server. An attacker can use methods exposed via this interface to receive password hashes of other users and to change user passwords. Please note that an attacker needs to have access to the Application Highway in order to exploit this vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.020 (80.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Siemens Sppa-T3000 Application Server — versions All versions < Service Pack R8.2 SP2
- Siemens Sppa-T3000 Application Server — versions r8.2
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-451445.pdf (Mitigation, Vendor Advisory)
- packetstormsecurity.com/files/155665/Siemens-Security-Advisory-SPPA-T3000-Code-… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-18284?
- CVE-2019-18284 is a critical-severity vulnerability in Siemens Sppa-T3000 Application Server, classified under Improper Authentication. CVSS score: 9.8/10. Published 2019-12-12.
- How severe is CVE-2019-18284?
- Critical severity. CVSS v3 base score is 9.8 out of 10.