CVE-2023-49104
mediumpriority · track · 24EPSS 0.006 · 47 %ileDEEURUUSEPSS · scored 2026-10-27
An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.6–8.7
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2023-2985ownCloud: Mehrere SchwachstellenDeutsch2023-11-21csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in ownCloud ausnutzen, um Informationen offenzulegen, Sicherheitsvorkehrungen zu umgehen und Dateien zu manipulieren.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-49104/cnnvd
- https://owncloud.com/security-advisories/subdomain-validation-bypass/cnnvd
- https://owncloud.org/securitycnnvd
- https://owncloud.com/security-advisories/subdomain-validation-bypass/enisa_euvd
- https://owncloud.org/securityenisa_euvd
- https://owncloud.com/security-advisories/subdomain-validation-bypass/Vendor Advisorynvd
- https://owncloud.org/securityVendor Advisorynvd
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