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CVE-2024-8935 (GCVE-0-2024-8935)

Vulnerability from cvelistv5 – Published: 2024-11-13 04:10 – Updated: 2024-11-13 15:31
VLAI
Summary
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.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-13 15:29 UTC
CWE
  • CWE-290 - Authentication Bypass by Spoofing
Impacted products
Vendor Product Version CPE status
Schneider Electric Modicon M340 CPU (part numbers BMXP34*) Affected: All versions since SV3.60
guessed Create a notification for this product.
Schneider Electric Modicon MC80 (part numbers BMKC80) Affected: All versions
guessed Create a notification for this product.
Schneider Electric Modicon Momentum Unity M1E Processor (171CBU*) Affected: All Versions
guessed Create a notification for this product.
schneider-electric modicon_m340_bmxp341000 Affected: SV3.60 , < * (custom)
    cpe:2.3:h:schneider-electric:modicon_m340_bmxp341000:-:*:*:*:*:*:*:*
Create a notification for this product.
schneider-electric modicon_mc80_bmkc8020301 Affected: 0 , < * (custom)
    cpe:2.3:h:schneider-electric:modicon_mc80_bmkc8020301:-:*:*:*:*:*:*:*
Create a notification for this product.
schneider-electric modicon_momentum_unity_m1e_processor Affected: 0 , < * (custom)
    cpe:2.3:h:schneider-electric:modicon_momentum_unity_m1e_processor:-:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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      "cveMetadata": "{\"cveId\": \"CVE-2024-8935\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-13T15:31:54.906Z\", \"dateReserved\": \"2024-09-17T07:47:01.855Z\", \"assignerOrgId\": \"076d1eb6-cfab-4401-b34d-6dfc2a413bdb\", \"datePublished\": \"2024-11-13T04:10:09.599Z\", \"assignerShortName\": \"schneider\"}",
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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