Critical severity · published Oct 30, 2017
CVE-2013-4366
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…
9.8
CVSS
3.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.3% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HT
Httpclient · Apache
4.3; 4.3; 4.3; 4.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2013-4366
CVE.org
https://www.cve.org/CVERecord?id=CVE-2013-4366
Issue Tracking
http://svn.apache.org/r1528614
Issue Tracking
http://www.apache.org/dist/httpcomponents/httpclient/RELEASE_NOTES-4.3.x.txt
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