XXE in Eclipse Wild Web Developer
CVE-2019-18213
XML Language Server (aka lsp4xml) before 0.9.1, as used in Red Hat XML Language Support (aka vscode-xml) before 0.9.1 for Visual Studio and other products, allows XXE via a crafted XML document, with resultant SSRF (as well as SMB connection initiation that can lead to NetNTLM challenge/response capture for password cracking). This occurs in extensions/contentmodel/participants/diagnostics/LSPXMLParserConfiguration.java.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/angelozerr/lsp4xml/ (Product)
- github.com/redhat-developer/vscode-xml/ (Patch, Third Party Advisory)
- marketplace.visualstudio.com/items (Third Party Advisory)
- github.com/angelozerr/lsp4xml/pull/566 (Patch, Third Party Advisory)
- github.com/angelozerr/lsp4xml/blob/master/CHANGELOG.md (Third Party Advisory, Release Notes)
- www.shielder.it/blog/dont-open-that-xml-xxe-to-rce-in-xml-plugins-for-vs-code-e… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-18213?
- CVE-2019-18213 is a high-severity vulnerability in Eclipse Wild Web Developer, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 8.8/10. Published 2019-10-23.
- How severe is CVE-2019-18213?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2019-18213 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.