CVE-2013-4366 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Apache	Httpclient	4.3

Related Weaknesses (CWE)

CWE-20

References

http://svn.apache.org/r1528614Issue TrackingPatchRelease Notes
http://www.apache.org/dist/httpcomponents/httpclient/RELEASE_NOTES-4.3.x.txtIssue TrackingRelease NotesVendor Advisory
http://svn.apache.org/r1528614Issue TrackingPatchRelease Notes
http://www.apache.org/dist/httpcomponents/httpclient/RELEASE_NOTES-4.3.x.txtIssue TrackingRelease NotesVendor Advisory

FAQ

What is CVE-2013-4366?

CVE-2013-4366 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 inv...

How severe is CVE-2013-4366?

CVE-2013-4366 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2013-4366?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Httpclient.