CVE-2020-1693

critical

Description

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.

References

https://zeroauth.ltd/blog/2020/02/18/proof-of-concept-exploit-for-cve-2020-1693-spacewalk/

https://github.com/spacewalkproject/spacewalk/commit/74e28ec61d916c42061ef4347121650a1c962b0c

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1693

Details

Source: Mitre, NVD

Published: 2020-02-17

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.06389