CVE-2016-4800

highpriority · track · 41EPSS 0.064 · 94 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

6.36% (94th) EPSS

CVSS 7.5 · high

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USprimaryCWE-284US

affected products (11)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
eclipse jetty= 9.3.0nvdUScpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*
eclipse jetty= 9.3.1nvdUScpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*
eclipse jetty= 9.3.2nvdUScpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*
eclipse jetty= 9.3.3nvdUScpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*
eclipse jetty= 9.3.4nvdUScpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*
eclipse jetty= 9.3.5nvdUScpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*
eclipse jetty= 9.3.6nvdUScpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*
eclipse jetty= 9.3.7nvdUScpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*
eclipse jetty= 9.3.8nvdUScpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*
Maven org.eclipse.jetty:jetty-server9.3.0 → 9.3.9osvUSpkg:maven/org.eclipse.jetty/jetty-server

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-872g-2h8h-362qJetty contains an alias issue that could allow unauthenticated remote code execution due to specially crafted request2018-10-19ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2017-04-13modified 2026-06-17

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+13835 more

references (20)

External citations — patches, advisories, analysis.

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