# CVE-2020-29667
Insufficient Session Expiration | Predefined Cookie Value
[Suggested description]
In Lan ATMService M3 ATM Monitoring System 6.1.0, a remote attacker able to use a default cookie value, such as PHPSESSID=LANIT-IMANAGER, can achieve control over the system and operate remote ATM maschines current state, because of Insufficient Session Expiration and Predefined Cookie Value.
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[Additional Information]
A letter was sent to the vendor about the vulnerability.
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[VulnerabilityType Other]
CWE-613: Insufficient Session Expiration
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[Vendor of Product]
Lan ATMService LLC (http://lanatmservice.ru/)
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[Affected Product Code Base]
Affected version: M3 ATM Monitoring System 6.1.0. There are no fixed versions and any response from developers.
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[Affected Component]
Application misconfiguration, that allows to remote attacker use a hardcoded predefined cookie value.
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[Attack Type]
Remote
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[Impact Information Disclosure]
true
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[Impact Loss of Integrity]
Low
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[Impact Loss of Availability]
High
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[Attack Vectors]
A remote attacker can use a predefined cookie value for control over the system for operate ATM machines current state.
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[Discoverer]
Dmitry Kuramin (Jet Infosystems, jet.su)
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[Reference]
https://jet.su
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