medium
4.3
CWE
200
Advisory Published
CVE Published
Advisory Published
Updated

CVE-2011-1498: Infoleak

First published: Tue May 31 2011(Updated: )

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 sensitive information by logging this header.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
maven/org.apache.httpcomponents:httpclient>=4.0.0<4.1.1
4.1.1
redhat/httpcomponents-client<4.1.1
4.1.1
Apache Commons HttpClient=4.0
Apache Commons HttpClient=4.0-alpha1
Apache Commons HttpClient=4.0-alpha2
Apache Commons HttpClient=4.0-alpha3
Apache Commons HttpClient=4.0-alpha4
Apache Commons HttpClient=4.0-beta1
Apache Commons HttpClient=4.0-beta2
Apache Commons HttpClient=4.0.1
Apache Commons HttpClient=4.1
Apache Commons HttpClient=4.1-alpha1
Apache Commons HttpClient=4.1-alpha2
Apache Commons HttpClient=4.1-beta1

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-1498?

    CVE-2011-1498 is considered to have medium severity due to the potential exposure of sensitive information.

  • How do I fix CVE-2011-1498?

    To fix CVE-2011-1498, upgrade to Apache HttpClient version 4.1.1 or later.

  • What types of software are affected by CVE-2011-1498?

    CVE-2011-1498 affects versions of Apache HttpClient prior to 4.1.1 when used with an authenticating proxy server.

  • What information could be exposed by CVE-2011-1498?

    CVE-2011-1498 could allow remote web servers to log and access sensitive information from the Proxy-Authorization header.

  • Is CVE-2011-1498 a client-side vulnerability?

    Yes, CVE-2011-1498 is a client-side vulnerability affecting applications using older versions of Apache HttpClient.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203