XXE in Yet Another Java Service Wrapper Project
CVE-2020-6958
An XXE vulnerability in JnlpSupport in Yet Another Java Service Wrapper (YAJSW) 12.14, as used in NSA Ghidra and other products, allows attackers to exfiltrate data from remote hosts and potentially cause denial-of-service.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Yet Another Java Service Wrapper Project — versions 12.14
Weakness classification (CWE)
References
- sourceforge.net/p/yajsw/bugs/166/ (Exploit, Third Party Advisory)
- github.com/NationalSecurityAgency/ghidra/issues/943 (Exploit, Third Party Advisory)
- github.com/purpleracc00n/Exploits-and-PoC/blob/master/XXE in YAJSW’s JnlpSuppor… (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-6958?
- CVE-2020-6958 is a critical-severity vulnerability in Yet Another Java Service Wrapper Project, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.1/10. Published 2020-01-14.
- How severe is CVE-2020-6958?
- Critical severity. CVSS v3 base score is 9.1 out of 10.