Umbraco CMS before 17.7.1 and 18.2.1 Missing Authorization on SignalR Hubs
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| umbraco | Umbraco-CMS | unaffected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Umbraco | Umbraco Cms |
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No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.309% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Umbraco CMS before 17.7.1 and 18.2.1 contains a missing authorization vulnerability that allows unauthenticated clients to connect to the backoffice PreviewHub and BackofficeHub SignalR hubs. Attackers can complete the SignalR negotiate step and receive refreshed notifications that disclose content keys, including unpublished content, and reveal editorial activity timing. | |
| Title | Umbraco CMS before 17.7.1 and 18.2.1 Missing Authorization on SignalR Hubs | |
| First Time appeared |
Umbraco
Umbraco umbraco Cms |
|
| Weaknesses | CWE-306 | |
| CPEs | cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Umbraco
Umbraco umbraco Cms |
|
| References |
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|
| Metrics |
cvssV3_1
|