Vulnerability in Eclipse Jetty
CVE-2016-4800
The path normalization mechanism in PathResource class in Eclipse Jetty 9.3.x before 9.3.9 on Windows allows remote attackers to bypass protected resource restrictions and other security constraints via a URL with certain escaped characters, related to backslashes.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.064 (93.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.064 · newest: 0.064 · change: 0.000
Affected products
- Eclipse Jetty — versions 9.3.0, 9.3.1, 9.3.2
- Microsoft Windows
Weakness classification (CWE)
Public proof-of-concept exploits
References
- dev.eclipse.org/mhonarc/lists/jetty-announce/msg00092.html (Vendor Advisory, mailing-list, Patch)
- www.securityfocus.com/bid/90945 (VDB Entry, Third Party Advisory, vdb-entry)
- www.oracle.com/security-alerts/cpuoct2020.html
- www.ocert.org/advisories/ocert-2016-001.html (Patch, Third Party Advisory, Mitigation)
- security.netapp.com/advisory/ntap-20190307-0006/
- www.zerodayinitiative.com/advisories/ZDI-16-362 (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-4800?
- CVE-2016-4800 is a critical-severity vulnerability in Eclipse Jetty, classified under Improper Access Control. CVSS score: 9.8/10. Published 2017-04-13.
- How severe is CVE-2016-4800?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-4800 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.