Vulnerability in Eclipse Jetty

CVE-2017-7658

In Eclipse Jetty Server, versions 9.2.x and older, 9.3.x (all non HTTP/1.x configurations), and 9.4.x (all HTTP/1.x configurations), when presented with two content-lengths headers, Jetty ignored the second. When presented with a content-l…

Vulnerability class: HTTP Request Smuggling

EPSS: 0.210 (97.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/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-2017-7658?
CVE-2017-7658 is a critical-severity vulnerability in Eclipse Jetty, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 9.8/10. Published 2018-06-26.
How severe is CVE-2017-7658?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2017-7658 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.