Auth bypass in Siemens Sipass Integrated
CVE-2017-9939
A vulnerability was discovered in Siemens SiPass integrated (All versions before V2.70) that could allow an attacker with network access to the SiPass integrated server to bypass the authentication mechanism and perform administrative operations.
Vulnerability class: Broken Authentication
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.021 (80.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Siemens Sipass Integrated
- Sipass Integrated All Versions Before V2.70 — versions SiPass integrated All versions before V2.70
Weakness classification (CWE)
References
- www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-339433.pdf (Vendor Advisory)
- www.securityfocus.com/bid/99578 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-9939?
- CVE-2017-9939 is a critical-severity vulnerability in Siemens Sipass Integrated, classified under Improper Authentication. CVSS score: 9.8/10. Published 2017-08-08.
- How severe is CVE-2017-9939?
- Critical severity. CVSS v3 base score is 9.8 out of 10.