When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

Project Subscriptions

Vendors Products
Debian Linux Subscribe
Agile Plm Subscribe
Communications Cloud Native Core Policy Subscribe
Communications Cloud Native Core Security Edge Protection Proxy Subscribe
Communications Instant Messaging Server Subscribe
Database Subscribe
Graph Server And Client Subscribe
Instantis Enterprisetrack Subscribe
Managed File Transfer Subscribe
Mysql Enterprise Monitor Subscribe
Siebel Ui Framework Subscribe
Jboss Enterprise Web Server Subscribe
Jboss Fuse Subscribe
Openshift Application Runtimes Subscribe
Advisories
Source ID Title
Debian DLA Debian DLA DLA-2596-1 tomcat8 security update
Debian DSA Debian DSA DSA-4891-1 tomcat9 security update
EUVD EUVD EUVD-2021-1340 When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.
Github GHSA Github GHSA GHSA-j39c-c8hj-x4j3 Exposure of Sensitive Information to an Unauthorized Actor in Apache Tomcat
Ubuntu USN Ubuntu USN USN-5360-1 Tomcat vulnerabilities
Ubuntu USN Ubuntu USN USN-6943-1 Tomcat vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

References
Link Providers
http://mail-archives.apache.org/mod_mbox/tomcat-announce/202103.mbox/%3Cb7626398-5e6d-1639-4e9e-e41b34af84de%40apache.org%3E cve-icon
http://www.openwall.com/lists/oss-security/2021/03/01/1 cve-icon cve-icon
https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cannounce.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cannounce.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cusers.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rcd90bf36b1877e1310b87ecd14ed7bbb15da52b297efd9f0e7253a3b%40%3Cusers.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rd0463f9a5cbc02a485404c4b990f0da452e5ac5c237808edba11c947%40%3Cusers.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/rf6d5d57b114678d8898005faef31e9fd6d7c981fcc4ccfc3bc272fc9%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2021/03/msg00018.html cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2021-25122 cve-icon
https://security.gentoo.org/glsa/202208-34 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20210409-0002/ cve-icon cve-icon
https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.0.2 cve-icon
https://tomcat.apache.org/security-8.html#Fixed_in_Apache_Tomcat_8.5.63 cve-icon
https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.43 cve-icon
https://www.cve.org/CVERecord?id=CVE-2021-25122 cve-icon
https://www.debian.org/security/2021/dsa-4891 cve-icon cve-icon
https://www.oracle.com//security-alerts/cpujul2021.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpujan2022.html cve-icon cve-icon
https://www.oracle.com/security-alerts/cpuoct2021.html cve-icon cve-icon
History

No history.

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2025-02-13T16:27:48.175Z

Reserved: 2021-01-14T00:00:00.000Z

Link: CVE-2021-25122

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-03-01T12:15:13.793

Modified: 2024-11-21T05:54:23.690

Link: CVE-2021-25122

cve-icon Redhat

Severity : Moderate

Publid Date: 2021-03-01T00:00:00Z

Links: CVE-2021-25122 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses