A flaw was found in Spacewalk up to version 2.9 where it was vulnerable to XML internal entity attacks via the /rpc/api endpoint. An unauthenticated remote attacker could use this flaw to retrieve the content of certain files and trigger a denial of service, or in certain circumstances, execute arbitrary code on the Spacewalk server.
Exploitability
AV:NAC:LPR:NUI:NScope
S:UImpact
C:HI:LA:L8.6/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:LInput Validation