CVE-2020-1693

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.

• CWE-611
• CWE-611

• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1693Issue Tracking, Vendor Advisory
• https://github.com/spacewalkproject/spacewalk/commit/74e28ec61d916c42061ef4347121650a1c962b0cPatch
• https://zeroauth.ltd/blog/2020/02/18/proof-of-concept-exploit-for-cve-2020-1693-spacewalk/Exploit, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1693Issue Tracking, Vendor Advisory
• https://github.com/spacewalkproject/spacewalk/commit/74e28ec61d916c42061ef4347121650a1c962b0cPatch
• https://zeroauth.ltd/blog/2020/02/18/proof-of-concept-exploit-for-cve-2020-1693-spacewalk/Exploit, Third Party Advisory

Published

Feb 17, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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