CVE-2015-1356: siemens simatic_step_7
CVSS: 4.4v2.0MediumModified
Published 18-02-2015Last modified 06-08-2024
Vulnerability summary
CVE-2015-1356 is a medium (CVSS 4.4) vulnerability in siemens simatic_step_7. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 42.3% of scored vulnerabilities.
CVSS score
4.4/10
010
Medium · v2.0 (NVD)EPSS score
0.51%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-02-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Siemens SIMATIC STEP 7 (TIA Portal) before 13 SP1 determines a user's privileges on the basis of project-file fields that lack integrity protection, which allows remote attackers to establish arbitrary authorization data via a modified file.
CVSS metrics
1 score · 1 source · 1 versionMedium 4.4Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.51%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
0.00 pp
From 0.51% on 18-09-2026
18-09-202618-10-2026
EPSS score0.51%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Siemens1 product
- simatic_step_7≤ 13.0
1 vendor · 1 product
References
1 links- www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-234789.pdfX Refsource CONFIRMVendor Advisory