Information disclosure in Siemens Simatic Step 7
CVE-2016-7960
Siemens SIMATIC STEP 7 (TIA Portal) before 14 uses an improper format for managing TIA project files during version updates, which makes it easier for local users to obtain sensitive configuration information via unspecified vectors.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.5 (Low). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (25.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.003 · change: -0.000
Affected products
Weakness classification (CWE)
References
- ics-cert.us-cert.gov/advisories/ICSA-16-287-03 (US Government Resource, Patch, VDB Entry, Third Party Advisory, Mitigation)
- www.securityfocus.com/bid/93551 (VDB Entry, Third Party Advisory, vdb-entry)
- www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-7960?
- CVE-2016-7960 is a low-severity vulnerability in Siemens Simatic Step 7, classified under Information Disclosure. CVSS score: 2.5/10. Published 2016-10-13.
- How severe is CVE-2016-7960?
- Low severity. CVSS v3 base score is 2.5 out of 10.