Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-pqwh-44jj-p5rm
Advisory ID github_osv/GHSA-pqwh-44jj-p5rm
Aliases CVE-2013-4366
Summary Hostname verification in Apache HttpClient 4.3 was disabled by default 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.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
CWE-20 Improper Input Validation
System Score Found at
cvssv3.1 9.8 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-pqwh-44jj-p5rm/GHSA-pqwh-44jj-p5rm.json
generic_textual CRITICAL
Reference id Reference type URL
https://github.com/apache/httpcomponents-client/commit/08140864e3e4c0994e094c4cf0507932baf6a66
http://svn.apache.org/r1528614
http://www.apache.org/dist/httpcomponents/httpclient/RELEASE_NOTES-4.3.x.txt
CVE-2013-4366 https://nvd.nist.gov/vuln/detail/CVE-2013-4366
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-pqwh-44jj-p5rm/GHSA-pqwh-44jj-p5rm.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.