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CVE-2018-13811

18
FAUCET Score

CVE-2018-13811 affects Siemens SIMATIC STEP 7 (TIA Portal) versions prior to V15.1, stemming from the use of weak password hashes within project files. An attacker with local access to a project file could exploit this vulnerability to reconstruct passwords, leading to unauthorized access to certain project data. This is a medium-severity vulnerability (CVSS 5.5) requiring local access and no user interaction, but it only impacts confidentiality. There is no known public exploitation, exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 15.1CPE matchmatch criteria
cpe:2.3:a:siemens:simatic_step_7_\(tia_portal\):*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
15.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 66th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert-portal.siemens.com / productcert/pdf/ssa-621493.pdf
Vendor Advisory
securityfocus.com / bid/105926
Third Party AdvisoryVDB Entry