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CVE-2017-7657

39
FAUCET Score

CVE-2017-7657 is a critical integer overflow vulnerability in Eclipse Jetty versions 9.2.x, 9.3.x, and specific 9.4.x configurations, also affecting products from Debian, HP, NetApp, and Oracle. This flaw in transfer-encoding chunk handling allows a large chunk size to be misinterpreted, potentially leading to authorization bypass in intermediary systems. With a CVSS score of 9.8 (Critical), it presents a high-impact, low-complexity network attack vector with potential for full confidentiality, integrity, and availability compromise. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.2.26CPE matchmatch criteria
cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*
>= 9.3.0, < 9.3.24CPE matchmatch criteria
cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*
>= 9.4.0, < 9.4.11CPE matchmatch criteria
cpe:2.3:a:eclipse:jetty:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:netapp:e-series_santricity_management:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
16.15%
Probability of exploitation in next 30 days
EPSS Percentile
96.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.1615 is in the 93rd percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

mavenpatch availablevia ghsa
Product: org.eclipse.jetty:jetty-serverFixed in: 9.2.25.v20180606
mavenpatch availablevia ghsa
Product: org.eclipse.jetty:jetty-serverFixed in: 9.3.24.v20180605
oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Data Grid 7.3.7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Fuse 7.3Fixed in: jetty
View patch
redhatno patchvia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-java-common-jetty
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: jetty
redhatend of lifevia redhat_api
Product: Red Hat JBoss Fuse 6Fixed in: jetty
redhatend of lifevia redhat_api
Product: Red Hat JBoss Fuse Service Works 6Fixed in: jetty
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: jetty-eclipse

Vendor Advisories (2)

mavenGHSA-vgg8-72f2-qm23critical

Critical severity vulnerability that affects org.eclipse.jetty:jetty-server

Oct 19, 2018
redhatCVE-2017-7657Important

jetty: HTTP request smuggling

Jun 7, 2018

References

access.redhat.com / errata/RHSA-2019:0910
Third Party Advisory
bugs.eclipse.org / bugs/show_bug.cgi
Third Party Advisory
lists.apache.org / thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E
lists.apache.org / thread.html/708d94141126eac03011144a971a6411fcac16d9c248d1d535a39451%40%3Csolr-user.lucene.apache.org%3E
lists.apache.org / thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E
lists.apache.org / thread.html/r41af10c4adec8d34a969abeb07fd0d6ad0c86768b751464f1cdd23e8%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/r9159c9e7ec9eac1613da2dbaddbc15691a13d4dbb2c8be974f42e6ae%40%3Ccommits.druid.apache.org%3E
lists.apache.org / thread.html/ra6f956ed4ec2855583b2d0c8b4802b450f593d37b77509b48cd5d574%40%3Ccommits.druid.apache.org%3E
security.netapp.com / advisory/ntap-20181014-0001
PatchThird Party Advisory
support.hpe.com / hpsc/doc/public/display
Third Party Advisory
debian.org / security/2018/dsa-4278
Third Party Advisory
oracle.com / /security-alerts/cpujul2021.html
oracle.com / security-alerts/cpuoct2020.html
PatchThird Party Advisory
oracle.com / technetwork/security-advisory/cpuoct2019-5072832.html
PatchThird Party Advisory
securitytracker.com / id/1041194
Third Party AdvisoryVDB Entry