Httpclient vulnerabilitiesRanked by how likely they are to be used.

Product39 versions
The short answer

Httpclient is made by Apache. We track 6 published vulnerabilities in it, across 39 versions. None of them is on the list of flaws known to be exploited today. If you run Httpclient, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Httpclient vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Httpclient's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Httpclient flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 19%

    http/conn/ssl/SSLConnectionSocketFactory.java in Apache HttpComponents HttpClient before 4.3.6 ignores the http.socket.timeout configuration setting during an SSL handshake, which allows remote attackers to cause a...

    CVSS4.3Published27 Oct 2015
  2. 9.2%

    Apache Commons HttpClient 3.x, as used in Amazon Flexible Payments Service (FPS) merchant Java SDK and other products, does not verify that the server hostname matches a domain name in the subject's Common Name (CN)...

    CVSS5.8Published4 Nov 2012
  3. 9.2%

    org.apache.http.conn.ssl.AbstractVerifier in Apache HttpComponents HttpClient before 4.3.5 and HttpAsyncClient before 4.0.2 does not properly verify that the server hostname matches a domain name in the subject's...

    CVSS5.8Published21 Aug 2014
  4. 9.0%

    Apache HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host for request...

    CVSS5.3Published2 Dec 2020
  5. 6.7%

    Apache HttpClient 4.x before 4.1.1 in Apache HttpComponents, when used with an authenticating proxy server, sends the Proxy-Authorization header to the origin server, which allows remote web servers to obtain...

    CVSS4.3Published7 Jul 2011
  6. 3.3%

    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...

    CVSS9.8Published30 Oct 2017
Precursor Intelligence

Running Httpclient? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

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We track 6 published vulnerabilities listed under the name Httpclient, across 39 versions.

None of Httpclient's vulnerabilities is on the list of flaws known to be exploited today.

Create a Precursor Intelligence account and track Httpclient. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.