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CVE-2017-14063

25
FAUCET Score

CVE-2017-14063 is a vulnerability in Async Http Client (versions prior to 2.0.35) that allows an attacker to redirect connections to an unintended host by manipulating the fragment identifier with a '?' character. This high-severity vulnerability (CVSS 7.5) has a network attack vector and low complexity, potentially leading to high integrity impact without requiring user interaction. While no active exploitation, public exploit code, or significant community discussion has been observed, the flaw could enable various attacks such as bypassing security controls or facilitating phishing.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.35CPE matchmatch criteria
cpe:2.3:a:asynchttpclient_project:async-http-client:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.05%
Probability of exploitation in next 30 days
EPSS Percentile
86.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0305 is in the 75th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.asynchttpclient:async-http-clientFixed in: 2.0.35
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Fuse 7Fixed in: async-http-client
View patch
redhatend of lifevia redhat_api
Product: Red Hat JBoss Fuse 6Fixed in: async-http-client
redhatend of lifevia redhat_api
Product: Red Hat JBoss Fuse Service Works 6Fixed in: async-http-client

Vendor Advisories (2)

mavenGHSA-93jq-624g-4p9phigh

Improper Input Validation in async-http-client

Oct 19, 2018
redhatCVE-2017-14063Moderate

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

Aug 28, 2017

References

openwall.com / lists/oss-security/2017/08/31/4
Mailing ListPatchThird Party Advisory
access.redhat.com / errata/RHSA-2018:2669
Third Party Advisory
github.com / AsyncHttpClient/async-http-client/issues/1455
Issue TrackingPatchThird Party Advisory
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