// For flags

CVE-2024-8935

 

Severity Score

7.7
*CVSS v4

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track*
*SSVC
Descriptions

CWE-290: Authentication Bypass by Spoofing vulnerability exists that could cause a denial of service and loss
of confidentiality and integrity of controllers when conducting a Man-In-The-Middle attack between the
controller and the engineering workstation while a valid user is establishing a communication session. This
vulnerability is inherent to Diffie Hellman algorithm which does not protect against Man-In-The-Middle attacks.

CWE-290: Authentication Bypass by Spoofing vulnerability exists that could cause a denial of service and loss of confidentiality and integrity of controllers when conducting a Man-In-The-Middle attack between the controller and the engineering workstation while a valid user is establishing a communication session. This vulnerability is inherent to Diffie Hellman algorithm which does not protect against Man-In-The-Middle attacks.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Attack Requirements
Present
Privileges Required
None
User Interaction
Passive
System
Vulnerable | Subsequent
Confidentiality
High
None
Integrity
High
None
Availability
High
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track*
Exploitation
None
Automatable
No
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2024-09-17 CVE Reserved
  • 2024-11-13 CVE Published
  • 2024-11-13 CVE Updated
  • 2025-04-23 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-290: Authentication Bypass by Spoofing
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Schneider Electric
Search vendor "Schneider Electric"
Modicon MC80 (part Numbers BMKC80)
Search vendor "Schneider Electric" for product "Modicon MC80 (part Numbers BMKC80)"
<=
Search vendor "Schneider Electric" for product "Modicon MC80 (part Numbers BMKC80)" and version " <= "
en
Affected
Schneider Electric
Search vendor "Schneider Electric"
Modicon Momentum Unity M1E Processor (171CBU*)
Search vendor "Schneider Electric" for product "Modicon Momentum Unity M1E Processor (171CBU*)"
<=
Search vendor "Schneider Electric" for product "Modicon Momentum Unity M1E Processor (171CBU*)" and version " <= "
en
Affected