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Mend.io Vulnerability Database

CVE-2021-25122

Good to know:

Date: March 1, 2021

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.

Language: Java

Severity Score

7.5

Related Resources (25)

Url: http://www.openwall.com/lists/oss-security/2021/03/01/1

Url: https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cdev.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/rcd90bf36b1877e1310b87ecd14ed7bbb15da52b297efd9f0e7253a3b%40%3Cusers.tomcat.apache.org%3E

Url: https://www.debian.org/security/2021/dsa-4891

Url: https://security.gentoo.org/glsa/202208-34

Url: https://security.netapp.com/advisory/ntap-20210409-0002

Url: https://lists.debian.org/debian-lts-announce/2021/03/msg00018.html

Url: https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cannounce.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cannounce.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/rcd90bf36b1877e1310b87ecd14ed7bbb15da52b297efd9f0e7253a3b@%3Cusers.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/rd0463f9a5cbc02a485404c4b990f0da452e5ac5c237808edba11c947@%3Cusers.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/rf6d5d57b114678d8898005faef31e9fd6d7c981fcc4ccfc3bc272fc9%40%3Cdev.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cusers.tomcat.apache.org%3E

Url: https://www.oracle.com/security-alerts/cpujan2022.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-25122

Url: https://lists.apache.org/thread.html/rf6d5d57b114678d8898005faef31e9fd6d7c981fcc4ccfc3bc272fc9@%3Cdev.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/rd0463f9a5cbc02a485404c4b990f0da452e5ac5c237808edba11c947%40%3Cusers.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7@%3Cannounce.apache.org%3E

Url: https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cusers.tomcat.apache.org%3E

Url: https://www.oracle.com//security-alerts/cpujul2021.html

Url: https://security.netapp.com/advisory/ntap-20210409-0002/

Url: https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cdev.tomcat.apache.org%3E

Url: https://lists.apache.org/thread.html/r7b95bc248603360501f18c8eb03bb6001ec0ee3296205b34b07105b7%40%3Cannounce.apache.org%3E

Url: https://www.oracle.com/security-alerts/cpuoct2021.html

Url: https://www.mend.io/vulnerability-database/CVE-2021-25122

Severity Score

7.5

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Insufficient Information

NVD-CWE-noinfo

Top Fix

Upgrade Version

Upgrade to version org.apache.tomcat.embed:tomcat-embed-core:8.5.63;org.apache.tomcat.embed:tomcat-embed-core:10.0.2;org.apache.tomcat.embed:tomcat-embed-core:9.0.43

Learn More

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	NONE

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2021-25122

Good to know:

Date: March 1, 2021

Language: Java

Severity Score

Related Resources (25)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

CVSS v2

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