Vulnerability in Eclipse Jetty

CVE-2017-7656

In Eclipse Jetty, versions 9.2.x and older, 9.3.x (all configurations), and 9.4.x (non-default configuration with RFC2616 compliance enabled), HTTP/0.9 is handled poorly. An HTTP/1 style request line (i.e. method space URI space version) t…

Vulnerability class: HTTP Request Smuggling

EPSS: 0.062 (92.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-7656?
CVE-2017-7656 is a high-severity vulnerability in Eclipse Jetty, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 7.5/10. Published 2018-06-26.
How severe is CVE-2017-7656?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2017-7656 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.