Vulnerability CVE-2020-10252
Published: 2021-02-19

Description:
An issue was discovered in ownCloud before 10.4. Because of an SSRF issue (via the apps/files_sharing/external remote parameter), an authenticated attacker can interact with local services blindly (aka Blind SSRF) or conduct a Denial Of Service attack.

Type:

CWE-918

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Owncloud -> Owncloud 

 References:
https://blog.hacktivesecurity.com/index.php?controller=post&action=view&id_post=44
https://owncloud.com/security-advisories/ssrf-in-add-to-your-owncloud-functionality/
https://owncloud.org/changelog/server/
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