CVE-2011-1498 json
Exposure of Sensitive Information to an Unauthorized Actor in Apache HttpClient
published 2011-07-07 15 y ago modified 2026-06-16 4 mo ago also GHSA-gw85-4gmf-m7rh , EUVD-2022-4023
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.7%
- EPSS 6.7% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- maven org.apache.httpcomponents:httpclient 4.1.1
- httpcomponents-client Debian 14, Debian 13, Debian 12 4.1.1-1
debian advisories DEBIAN-CVE-2011-1498
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2011-1498 updated cvss 5.8
httpcomponents-client: sends Proxy-Authorization header to host when tunneling requests through authenticated proxy server
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
6.69% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apache.httpcomponents:httpclient | >=4.0.0, <4.1.1 |
4.1.1 |
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
github.com
/apache/httpcomponents-client/commit/a572756592c969affd0ce87885724e74839176fb
web
-
lists.fedoraproject.org
/pipermail/package-announce/2011-June/061440.html
vendor-advisory, web
-
marc.info
/?l=httpclient-users&m=129853896315461&w=2
mailing-list, web
-
openwall.com
/lists/oss-security/2011/04/08/1
mailing-list, web
-
bugzilla.redhat.com
/show_bug.cgi?id=709531
web
-
marc.info
/?l=httpclient-users&m=129856318011586&w=2
mailing-list, web
-
marc.info
/?l=httpclient-users&m=129857589129183&w=2
mailing-list, web
-
openwall.com
/lists/oss-security/2011/04/07/7
mailing-list, web
-
issues.apache.org
/jira/browse/HTTPCLIENT-1061
web
-
kb.cert.org
/vuls/id/153049
third-party-advisory, us-government-resource
-
securityfocus.com
/bid/46974
vdb-entry
-
marc.info
/?l=httpclient-users&m=129858274406594&w=2
mailing-list, web
-
securityreason.com
/securityalert/8298
third-party-advisory, web
-
marc.info
/?l=httpclient-users&m=129858299106950&w=2
mailing-list, web
- apache.org /dist/httpcomponents/httpclient/RELEASE_NOTES-4.1.x.txt
-
nvd.nist.gov
/vuln/detail/CVE-2011-1498
advisory
-
github.com
/apache/httpcomponents-client
package
Sources
- CVE List CVE-2011-1498
- GitHub Advisory GHSA-gw85-4gmf-m7rh
- NVD CVE-2011-1498
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.