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 character…

EPSS: 0.006 (70.1th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.