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CVE-2017-7574

Published: Apr 6, 2017Updated: May 29, 2026 Sources: CVE List NVD csafCWE-798
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
1.2%
Top 34.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Schneider Electric SoMachine Basic 1.4 SP1 and Schneider Electric Modicon TM221CE16R 1.3.3.3 devices have a hardcoded-key vulnerability. The Project Protection feature is used to prevent unauthorized users from opening an XML protected project file, by prompting the user for a password. This XML file is AES-CBC encrypted; however, the key used for encryption (SoMachineBasicSoMachineBasicSoMa) cannot be changed. After decrypting the XML file with this key, the user password can be found in the decrypted data. After reading the user password, the project can be opened and modified with the Schneider product.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-798CWE-321

Affected Products

n/an/a
modicon tm221ce16r firmwareschneider-electricICS / OT / IoT
somachineschneider-electricICS / OT / IoT
schneider-electriccommercialFRICS / OT / IoTaka schneider electric se

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Credential Access
Initial Access
View detailed technique mapping

References

http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2017-097-01
download.schneider-electric.com
https://os-s.net/advisories/OSS-2017-02.pdf
os-s.net
http://www.securityfocus.com/bid/97518
securityfocus.com
and 5 more references View all →

Timeline

Published
Apr 6, 2017
Last Updated
May 29, 2026

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