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.

EPSS: 0.002 (15.0th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

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.