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Fencer Vulns
high 7.5

CVE-2017-14063 json

Improper Input Validation in async-http-client

published 2017-08-31 9 y ago modified 2026-06-17 4 mo ago also GHSA-93jq-624g-4p9p , EUVD-2018-0557

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

Async Http Client (aka async-http-client) before 2.0.35 can be tricked into connecting to a host different from the one extracted by java.net.URI if a '?' character occurs in a fragment identifier. Similar bugs were previously identified in cURL (CVE-2016-8624) and Oracle Java 8 java.net.URL.

Patch / fix

  • maven org.asynchttpclient:async-http-client 2.0.35
  • asynchttpclient_project async-http-client 2.0.35

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-14063 updated cvss 5.3

async-http-client: Invalid URL parsing with '?'

  • Red Hat JBoss Fuse 6 async-http-client async-http-client Red Hat JBoss Fuse Service Works 6 async-http-client async-http-client
    affected: no fix planned “Will not fix”
  • Red Hat Fuse 7
    fixed: vendor fix RHSA-2018:2669

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.05% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
GitHub 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
maven org.asynchttpclient:async-http-client
<2.0.35
2.0.35

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.