XXE in Dom4j Project
CVE-2020-10683
dom4j before 2.0.3 and 2.1.x before 2.1.3 allows external DTDs and External Entities by default, which might enable XXE attacks. However, there is popular external documentation from OWASP showing how to enable the safe, non-default behavior in any application that uses dom4j.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.073 (94.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.073 · newest: 0.073 · change: 0.000
Affected products
- Dom4j Project
- NetApp Oncommand API Services
- NetApp Oncommand Workflow Automation
- NetApp Snapcenter
- NetApp Snap Creator Framework
- NetApp Snapmanager
- Oracle Agile Plm — versions 9.3.3, 9.3.5
- Oracle Agile Product Lifecycle Management — versions 9.3.3, 9.3.5
- Oracle Application Testing Suite — versions 13.3.0.1
- Oracle Banking Platform
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.opensuse.org/opensuse-security-announce/2020-05/msg00061.html (vendor-advisory, Third Party Advisory)
- www.oracle.com/security-alerts/cpujul2020.html (Third Party Advisory)
- cheatsheetseries.owasp.org/cheatsheets/XML_External_Entity_Prevention_Cheat_She… (Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- github.com/dom4j/dom4j/releases/tag/version-2.1.3 (Third Party Advisory, Release Notes)
- github.com/dom4j/dom4j/commit/a8228522a99a02146106672a34c104adbda5c658 (Patch, Third Party Advisory)
- security.netapp.com/advisory/ntap-20200518-0002/ (Third Party Advisory)
- usn.ubuntu.com/4575-1/ (vendor-advisory, Third Party Advisory)
- www.oracle.com/security-alerts/cpuoct2020.html (Patch, Third Party Advisory)
- github.com/dom4j/dom4j/issues/87 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10683?
- CVE-2020-10683 is a critical-severity vulnerability in Dom4j Project, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2020-05-01.
- How severe is CVE-2020-10683?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-10683 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.