Information disclosure in Siemens Simatic Step 7 \(Tia Portal\)
CVE-2018-13811
A vulnerability has been identified in SIMATIC STEP 7 (TIA Portal) (All Versions < V15.1). Password hashes with insufficient computational effort could allow an attacker to access to a project file and reconstruct passwords. The vulnerability could be exploited by an attacker with local access to the project file. No user interaction is required to exploit the vulnerability. The vulnerability could allow the attacker to obtain certain passwords from the project. At the time of advisory publication no public exploitation of this vulnerability was known.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (14.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.002 · change: -0.000
Affected products
- Siemens Simatic Step 7 \(Tia Portal\)
- Siemens Ag Simatic Step 7 (Tia Portal) — versions SIMATIC STEP 7 (TIA Portal) : All Versions < V15.1
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-621493.pdf (Vendor Advisory)
- www.securityfocus.com/bid/105926 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-13811?
- CVE-2018-13811 is a medium-severity vulnerability in Siemens Simatic Step 7 \(Tia Portal\), classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 5.5/10. Published 2018-12-13.
- How severe is CVE-2018-13811?
- Medium severity. CVSS v3 base score is 5.5 out of 10.