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CVE-2011-1498

4.3 · MEDIUM

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 server…

Published Jul 7, 2011apacheCWE-200EPSS 6.69%

Overview

CVE-2011-1498 is a medium-severity vulnerability affecting apache httpclient. It was published on July 7, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from apache. Update httpclient to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus

References

Reflists.fedoraproject.org/pipermail/package-announce/2011-June/061440.htmlRefmarc.info/?l=httpclient-users&m=129853896315461&w=2Refmarc.info/?l=httpclient-users&m=129856318011586&w=2Refmarc.info/?l=httpclient-users&m=129857589129183&w=2Refmarc.info/?l=httpclient-users&m=129858274406594&w=2Refmarc.info/?l=httpclient-users&m=129858299106950&w=2Refopenwall.com/lists/oss-security/2011/04/07/7Refopenwall.com/lists/oss-security/2011/04/08/1Refsecurityreason.com/securityalert/8298Refwww.apache.org/dist/httpcomponents/httpclient/RELEASE_NOTES-4.1.x.txt

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1498?

CVE-2011-1498 is a medium-severity vulnerability affecting apache httpclient. It was published on July 7, 2011 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2011-1498?

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2011-1498?

Check the references section for vendor advisories and patches from apache. Update httpclient to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2011-1498?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1498 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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