Medium severity · published Oct 13, 2016
CVE-2016-7959
Siemens SIMATIC STEP 7 (TIA Portal) before 14 improperly stores pre-shared key data in TIA project files, which makes it easier for local users to obtain sensitive information by…
4.7
CVSS
0.3%
EPSS
No
On KEV
Description
Siemens SIMATIC STEP 7 (TIA Portal) before 14 improperly stores pre-shared key data in TIA project files, which makes it easier for local users to obtain sensitive information by leveraging access to a file and conducting a brute-force attack.
CVSS vector
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
Simatic Step 7 · Siemens
through 13.010 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7959
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7959
Third Party Advisory
http://www.securityfocus.com/bid/93551
Vendor Advisory
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-869766.pdf
ics-cert.us-cert.gov
https://ics-cert.us-cert.gov/advisories/ICSA-16-287-03
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