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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-43980 Detail

Description

The simplified implementation of blocking reads and writes introduced in Tomcat 10 and back-ported to Tomcat 9.0.47 onwards exposed a long standing (but extremely hard to trigger) concurrency bug in Apache Tomcat 10.1.0 to 10.1.0-M12, 10.0.0-M1 to 10.0.18, 9.0.0-M1 to 9.0.60 and 8.5.0 to 8.5.77 that could cause client connections to share an Http11Processor instance resulting in responses, or part responses, to be received by the wrong client.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2022/09/28/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2022/09/28/1 Mailing List  Third Party Advisory 
https://lists.apache.org/thread/3jjqbsp6j88b198x5rmg99b1qr8ht3g3 Mailing List  Vendor Advisory 
https://lists.apache.org/thread/3jjqbsp6j88b198x5rmg99b1qr8ht3g3 Mailing List  Vendor Advisory 
https://lists.debian.org/debian-lts-announce/2022/10/msg00029.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2022/10/msg00029.html Mailing List  Third Party Advisory 
https://www.debian.org/security/2022/dsa-5265 Third Party Advisory 
https://www.debian.org/security/2022/dsa-5265 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') cwe source acceptance level NIST   Apache Software Foundation  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-43980
NVD Published Date:
09/28/2022
NVD Last Modified:
11/21/2024
Source:
Apache Software Foundation