High severity · published Feb 19, 2021
CVE-2020-10252
An issue was discovered in ownCloud before 10.4
8.3
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OW
Owncloud · Owncloud
before 10.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10252
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10252
Exploit
https://blog.hacktivesecurity.com/index.php?controller=post&action=view&id_post=44
Vendor Advisory
https://owncloud.com/security-advisories/ssrf-in-add-to-your-owncloud-functionality/
Product
https://owncloud.org/changelog/server/
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