Vulnerability · Published Dec 12, 2023 · Assigned by GitHub_M
CVE-2023-49278Umbraco CMS brute force exploit can be used to collect valid usernames
Medium 5.3
In plain English
A medium-severity information exposure in Umbraco-CMS from umbraco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.5%top 56.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Umbraco is an ASP.NET content management system (CMS). Starting in version 8.0.0 and prior to versions 8.18.10, 10.8.1, and 12.3.4, a brute force exploit can be used to collect valid usernames. Versions 8.18.10, 10.8.1, and 12.3.4 contain a patch for this issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | umbraco.cms | 8.18.10 | GHSA-7x74-h8cw-qhxq |
| NuGet | umbraco.cms | 10.8.1 | GHSA-7x74-h8cw-qhxq |
| NuGet | umbraco.cms | 12.3.4 | GHSA-7x74-h8cw-qhxq |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| umbraco | Umbraco-CMS | >= 8.0.0, < 8.18.10>= 9.0.0-rc001, < 10.8.1>= 11.0.0-rc1, < 12.3.4 |
Weakness: CWE-200, CWE-307 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-7x74-h8cw-qhxq x_refsource_CONFIRM