CVE-2011-1475
The HTTP BIO connector in Apache Tomcat 7.0.x before 7.0.12 does not properly handle HTTP pipelining, which allows remote attackers to…
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The HTTP BIO connector in Apache Tomcat 7.0.x before 7.0.12 does not properly handle HTTP pipelining, which allows remote attackers to read responses intended for other clients in opportunistic circumstances by examining the application data in HTTP packets, related to "a mix-up of responses for requests from different users."
Timeline
ID reserved
By redhat
- 18 days later
· 18 days later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 8.7% · top 4.8% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.tomcat:tomcatGHSA-h6c8-rg87-f3pc (opens in a new tab)
References (12)
- ADV-2011-0894 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 47199 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- oval:org.mitre.oval:def:12374 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 8188 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- http://tomcat.apache.org/security-7.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1025303 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://issues.apache.org/bugzilla/show_bug.cgi?id=50957 (opens in a new tab)x_refsource_MISCx_transferred
- 20110406 [SECURITY] CVE-2011-1475 Apache Tomcat information disclosure (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://svn.apache.org/viewvc?view=revision&revision=1086349 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://svn.apache.org/viewvc?view=revision&revision=1086352 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20110406 [SECURITY] CVE-2011-1475 Apache Tomcat information disclosure (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- tomcat-httpbio-info-disclosure(66676) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-h6c8-rg87-f3pc (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-1475)Record last updated .