Medium severity · published Feb 19, 2021
CVE-2020-10254
An issue was discovered in ownCloud before 10.4
5.9
CVSS
1.9%
EPSS
No
On KEV
Description
An issue was discovered in ownCloud before 10.4. An attacker can bypass authentication on a password-protected image by displaying its preview.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% 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-2020-10254
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10254
Exploit
https://blog.hacktivesecurity.com/index.php?controller=post&action=view&id_post=44
Vendor Advisory
https://owncloud.com/security-advisories/public-link-password-bypass-via-image-previews/
Product
https://owncloud.org/changelog/server/
More from Owncloud
9.8
CVE-2023-49105
ownCloud Improper Authentication Vulnerability
9.8
CVE-2019-25337
OwnCloud 8.1.8 - Username Disclosure
9.8
CVE-2021-35946
A receiver of a federated share with access to the database with ownCloud version before 10.8 could update the permissions and therefore elevate their own permissions
9.8
CVE-2014-2052
Zend Framework, as used in ownCloud Server before 5.0.15 and 6.0.x before 6.0.2, allows remote attackers to read arbitrary files, cause a denial of service, or possibly have other…
9.8
CVE-2014-2048
The user_openid app in ownCloud Server before 5.0.15 allows remote attackers to obtain access by leveraging an insecure OpenID implementation