Description
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.
Published: 2021-03-01
Score: 7.5 High
EPSS: 2.6% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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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
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

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Subscriptions

Apache Tomcat
Debian Debian Linux
Oracle Agile Plm Communications Cloud Native Core Policy Communications Cloud Native Core Security Edge Protection Proxy Communications Instant Messaging Server Database Graph Server And Client Instantis Enterprisetrack Managed File Transfer Mysql Enterprise Monitor Siebel Ui Framework
Redhat Jboss Enterprise Web Server Jboss Fuse Openshift Application Runtimes
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