ownCloud Server 10.x before 10.3.1 allows an attacker, who has one outgoing share from a victim, to access any version of any file by sending a request for a predictable ID number.
The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
Link | Tags |
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https://owncloud.com/security-advisories/access-to-all-file-versions/ | vendor advisory |