CVE-2013-4366
CRITICAL
9.8
CVSS Score
Published: October 30, 2017 at 07:00 PM UTC
Updated: June 16, 2026 at 11:57 PM UTC
1 product affected across 1 vendorHttpclient
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Severity
CRITICAL9.8
Exploit prediction
EPSS 3%
Description
http/impl/client/HttpClientBuilder.java in Apache HttpClient 4.3.x before 4.3.1 does not ensure that X509HostnameVerifier is not null, which allows attackers to have unspecified impact via vectors involving hostname verification.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_CONFIRMIssue TrackingPatchRelease NotesVendor Advisory
Source: [email protected]
http://svn.apache.org/r1528614x_refsource_CONFIRMIssue TrackingRelease NotesVendor Advisory
Source: [email protected]
http://www.apache.org/dist/httpcomponents/httpclient/RELEASE_NOTES-4.3.x.txtCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20
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