VAR-201504-0032

Vulnerability from variot - Updated: 2023-12-18 12:07

Siemens SIMATIC STEP 7 (TIA Portal) 12 and 13 before 13 SP1 Upd1 improperly stores password data within project files, which makes it easier for local users to determine cleartext (1) protection-level passwords or (2) web-server passwords by leveraging the ability to read these files. (1) Protection level password, or (2) Web Server password may be specified. Siemens SIMATIC is an automation software in a single engineering environment. Siemens SIMATIC STEP 7 TIA Portal is prone to a security weakness due to insecure password-hash algorithm. Local attackers can exploit this issue to perform brute-force attacks and obtain user passwords which may aid in further attacks. Versions prior to Siemens SIMATIC STEP 7 TIA Portal V13 SP1 Upd1 are vulnerable. The software provides PLC programming, design option packages, advanced drive technology and more. A local attacker can exploit this vulnerability by reading a file to determine the plaintext protection-level or web-server password

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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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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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