Vulnerability CVE-2020-10254
Published: 2021-02-19

Description:
An issue was discovered in ownCloud before 10.4. An attacker can bypass authentication on a password-protected image by displaying its preview.

Type:

CWE-287

 (Improper Authentication)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Owncloud -> Owncloud 

 References:
https://blog.hacktivesecurity.com/index.php?controller=post&action=view&id_post=44
https://owncloud.com/security-advisories/public-link-password-bypass-via-image-previews/
https://owncloud.org/changelog/server/
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