Summary
Successful exploitation of these vulnerabilities could allow a user to take control of the web management of the device. An attacker with access to the device could also extract and break the password hashes for all users stored on the device.
Vulnerabilities 2
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Critical 9.8
Use of Hard-coded Credentials in Gessler GmbH WEB-MASTER
Gessler GmbH WEB-MASTER has a restoration account that uses weak hard coded credentials and if exploited could allow an attacker control over the web management of the device.
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Medium 4.4
Use of a Broken or Risky Cryptographic Algorithm in Gessler GmbH WEB-MASTER
Gessler GmbH WEB-MASTER user account is stored using a weak hashing algorithm. The attacker can restore the passwords by breaking the hashes stored on the device.
Revision history
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#2
Revision - Update to CWEs
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#1
Initial Publication
References
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ICSA Advisory ICSA-24-032-01 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-24-032-01
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Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
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Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
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Recommended Practices
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
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Recommended Practices
https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B
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Recommended Practices
https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf
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Recommended Practices
https://www.cisa.gov/uscert/ncas/tips/ST04-014