Vulnerability · Published Jul 12, 2021 · Assigned by mitre
CVE-2021-36383
Medium 4.3
In plain English
A medium-severity security flaw in the xo-server package (npm). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)0.7%top 46.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Xen Orchestra (with xo-web through 5.80.0 and xo-server through 5.84.0) mishandles authorization, as demonstrated by modified WebSocket resourceSet.getAll data is which the attacker changes the permission field from none to admin. The attacker gains access to data sets such as VMs, Backups, Audit, Users, and Groups.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | xo-server | no fix listed | GHSA-grvm-gcqf-gh8q |
| npm | xo-web | no fix listed | GHSA-grvm-gcqf-gh8q |
Affected products (as reported)
References
- https://github.com/vatesfr/xen-orchestra/issues/5712 x_refsource_MISC