CVE-2013-4366

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.29% Top 25%
Vendor Advisory apache.org Vendor Advisory apache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://svn.apache.org/r1528614 issue tracking release notes patch vendor advisory
http://www.apache.org/dist/httpcomponents/httpclient/RELEASE_NOTES-4.3.x.txt issue tracking release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-4366?
CVE-2013-4366 has been scored as a critical severity vulnerability.
How to fix CVE-2013-4366?
To fix CVE-2013-4366, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-4366 being actively exploited in the wild?
It is possible that CVE-2013-4366 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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