Vulnerability · Published Dec 30, 2020 · Assigned by tenable
CVE-2020-5811
Medium 6.5
In plain English
A medium-severity security flaw in Umbraco CMS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 9.5% (higher than 95% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)9.5%top 4.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An authenticated path traversal vulnerability exists during package installation in Umbraco CMS <= 8.9.1 or current, which could result in arbitrary files being written outside of the site home and expected paths when installing an Umbraco package.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | umbracocms | 8.9.2 | GHSA-936x-wgqv-hhgq |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Umbraco CMS | <= 8.9.1 or current (unfixed) |