CWE
502
Advisory Published
CVE Published
Updated

CVE-2021-25329: Incomplete fix for CVE-2020-9484

First published: Mon Mar 01 2021(Updated: )

Last updated 2 August 2024

Credit: security@apache.org

Affected SoftwareAffected VersionHow to fix
redhat/jws5-ecj<0:4.12.0-3.redhat_2.2.el7
0:4.12.0-3.redhat_2.2.el7
redhat/jws5-tomcat<0:9.0.43-11.redhat_00011.1.el7
0:9.0.43-11.redhat_00011.1.el7
redhat/jws5-tomcat-native<0:1.2.26-3.redhat_3.el7
0:1.2.26-3.redhat_3.el7
redhat/jws5-tomcat-vault<0:1.1.8-2.Final_redhat_00003.1.el7
0:1.1.8-2.Final_redhat_00003.1.el7
redhat/jws5-ecj<0:4.12.0-3.redhat_2.2.el8
0:4.12.0-3.redhat_2.2.el8
redhat/jws5-tomcat<0:9.0.43-11.redhat_00011.1.el8
0:9.0.43-11.redhat_00011.1.el8
redhat/jws5-tomcat-native<0:1.2.26-3.redhat_3.el8
0:1.2.26-3.redhat_3.el8
redhat/jws5-tomcat-vault<0:1.1.8-2.Final_redhat_00003.1.el8
0:1.1.8-2.Final_redhat_00003.1.el8
redhat/tomcat<10.0.2
10.0.2
redhat/tomcat<9.0.43
9.0.43
redhat/tomcat<8.5.63
8.5.63
redhat/tomcat<7.0.108
7.0.108
Tomcat>=7.0.0<=7.0.107
Tomcat>=8.5.0<=8.5.61
Tomcat>=9.0.0<=9.0.41
Tomcat=9.0.0-milestone1
Tomcat=9.0.0-milestone10
Tomcat=9.0.0-milestone11
Tomcat=9.0.0-milestone12
Tomcat=9.0.0-milestone13
Tomcat=9.0.0-milestone14
Tomcat=9.0.0-milestone15
Tomcat=9.0.0-milestone16
Tomcat=9.0.0-milestone17
Tomcat=9.0.0-milestone18
Tomcat=9.0.0-milestone19
Tomcat=9.0.0-milestone2
Tomcat=9.0.0-milestone20
Tomcat=9.0.0-milestone21
Tomcat=9.0.0-milestone22
Tomcat=9.0.0-milestone23
Tomcat=9.0.0-milestone24
Tomcat=9.0.0-milestone25
Tomcat=9.0.0-milestone26
Tomcat=9.0.0-milestone27
Tomcat=9.0.0-milestone3
Tomcat=9.0.0-milestone4
Tomcat=9.0.0-milestone5
Tomcat=9.0.0-milestone6
Tomcat=9.0.0-milestone7
Tomcat=9.0.0-milestone8
Tomcat=9.0.0-milestone9
Tomcat=10.0.0
Tomcat=10.0.0-milestone1
Tomcat=10.0.0-milestone10
Tomcat=10.0.0-milestone2
Tomcat=10.0.0-milestone3
Tomcat=10.0.0-milestone4
Tomcat=10.0.0-milestone5
Tomcat=10.0.0-milestone6
Tomcat=10.0.0-milestone7
Tomcat=10.0.0-milestone8
Tomcat=10.0.0-milestone9
Debian Linux=9.0
Debian Linux=10.0
Oracle Agile Product Lifecycle Management Framework=9.3.3
Oracle Agile Product Lifecycle Management Framework=9.3.6
Oracle Communications Cloud Native Core Policy=1.14.0
Oracle Communications Cloud Native Core Network Repository Function=1.6.0
Oracle Communications Instant Messaging Server=10.0.1.5.0
Oracle Database=12.2.0.1
Oracle Database=19c
Oracle Database=21c
Oracle Client<21.3.0
Oracle Instantis EnterpriseTrack=17.1
Oracle Instantis EnterpriseTrack=17.2
Oracle Instantis EnterpriseTrack=17.3
Oracle Managed File Transfer=12.2.1.3.0
Oracle Managed File Transfer=12.2.1.4.0
MySQL Enterprise Monitor<=8.0.23
Oracle Siebel User Interface Framework<21.9
Oracle Siebel User Interface Framework=21.9
debian/tomcat9
9.0.43-2~deb11u10
9.0.43-2~deb11u12
9.0.70-2
9.0.95-1

Remedy

Users may configure the PersistenceManager with an appropriate value for sessionAttributeValueClassNameFilter to ensure that only application provided attributes are serialized and deserialized. For more details about the configuration, refer to the Apache Tomcat 9 Configuration Reference https://tomcat.apache.org/tomcat-9.0-doc/config/manager.html.

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2021-25329?

    CVE-2021-25329 is a vulnerability in Apache Tomcat that allows remote attackers to execute arbitrary code or cause a denial of service.

  • How severe is CVE-2021-25329?

    CVE-2021-25329 has a high severity rating with a CVSS score of 7.0.

  • Which versions of Apache Tomcat are affected by CVE-2021-25329?

    CVE-2021-25329 affects Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41, 8.5.0 to 8.5.61, and 7.0.0 to 7.0.107.

  • How can I fix CVE-2021-25329?

    To fix CVE-2021-25329, you should upgrade Apache Tomcat to version 10.0.2, 9.0.43, 8.5.63, or 7.0.108, depending on the affected version.

  • Where can I find more information about CVE-2021-25329?

    You can find more information about CVE-2021-25329 at the following references: [Reference 1](https://access.redhat.com/security/cve/CVE-2020-9484), [Reference 2](https://github.com/apache/tomcat/commit/6d66e99ef85da93e4d2c2a536ca51aa3418bfaf4), [Reference 3](https://github.com/apache/tomcat/commit/4785433a226a20df6acbea49296e1ce7e23de453).

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