CVE-2019-25337
criticalpriority · track · 0EPSS 0.005 · 41 %ileEUEPSS · scored 2026-10-27
OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by manipulating the share.php endpoint. Attackers can send crafted GET requests to /index.php/core/ajax/share.php with a wildcard search parameter to retrieve comprehensive user information.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–critical · 1.3–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (1)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (12)
External citations — patches, advisories, analysis.
- https://ftp.icm.edu.pl/packages/owncloud/cnnvd
- https://owncloud.org/cnnvd
- https://www.exploit-db.com/exploits/47745cnnvd
- https://www.vulncheck.com/advisories/owncloud-username-disclosurecnnvd
- https://ftp.icm.edu.pl/packages/owncloud/enisa_euvd
- https://owncloud.org/enisa_euvd
- https://www.exploit-db.com/exploits/47745enisa_euvd
- https://www.vulncheck.com/advisories/owncloud-username-disclosureenisa_euvd
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