XXE in Red Hat Spacewalk
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.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L.
EPSS exploit prediction
EPSS: 0.043 (91.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000
Affected products
- Red Hat Spacewalk — versions All spacewalk versions up 2.9
- Red Hat Spacewalk
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- github.com/spacewalkproject/spacewalk/commit/74e28ec61d916c42061ef4347121650a1c… (Patch)
- zeroauth.ltd/blog/2020/02/18/proof-of-concept-exploit-for-cve-2020-1693-spacewa… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-1693?
- CVE-2020-1693 is a high-severity vulnerability in Red Hat Spacewalk, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.6/10. Published 2020-02-17.
- How severe is CVE-2020-1693?
- High severity. CVSS v3 base score is 8.6 out of 10.