# CVE-2022-23181: libtomcat9-embed-java: The fix for bug CVE-2020-9484 introduced a time of check, time of use vulnerability into Apache Tomcat 10.1.0-M1 to 1...

CVE-2022-23181 is fixed in 23 products on 1 platform, first by DEBIAN-CVE-2022-23181, released January 27, 2022. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-23181
- Priority: High
- CVSS: 7.0 (Low)
- EPSS: 0.0069
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jan 27, 2022

## Description

The fix for bug CVE-2020-9484 introduced a time of check, time of use vulnerability into Apache Tomcat 10.1.0-M1 to 10.1.0-M8, 10.0.0-M5 to 10.0.14, 9.0.35 to 9.0.56 and 8.5.55 to 8.5.73 that allowed a local attacker to perform actions with the privileges of the user that the Tomcat process is using. This issue is only exploitable when Tomcat is configured to persist sessions using the FileStore.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libtomcat8-embed-java Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3+esm2 | [libtomcat8-embed-java 8.5.39-1ubuntu1~18.04.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtomcat8-embed-java-8.5.39-1ubuntu1-18.04.3-esm2.md) | May 12, 2022 |
| Linux | libtomcat8-java Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3+esm2 | [libtomcat8-java 8.5.39-1ubuntu1~18.04.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtomcat8-java-8.5.39-1ubuntu1-18.04.3-esm2.md) | May 12, 2022 |
| Linux | libtomcat9-embed-java Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2+esm2 | [libtomcat9-embed-java 9.0.16-3ubuntu0.18.04.2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtomcat9-embed-java-9.0.16-3ubuntu0.18.04.2-esm2.md) | May 12, 2022 |
| Linux | libtomcat9-embed-java Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.6 | [libtomcat9-embed-java 9.0.31-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtomcat9-embed-java-9.0.31-1ubuntu0.6.md) | May 12, 2022 |
| Linux | libtomcat9-java Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2+esm2 | [libtomcat9-java 9.0.16-3ubuntu0.18.04.2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtomcat9-java-9.0.16-3ubuntu0.18.04.2-esm2.md) | May 12, 2022 |
| Linux | libtomcat9-java Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.6 | [libtomcat9-java 9.0.31-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtomcat9-java-9.0.31-1ubuntu0.6.md) | May 12, 2022 |
| Linux | tomcat8 Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3+esm2 | [tomcat8 8.5.39-1ubuntu1~18.04.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat8-8.5.39-1ubuntu1-18.04.3-esm2.md) | May 12, 2022 |
| Linux | tomcat8-admin Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3+esm2 | [tomcat8-admin 8.5.39-1ubuntu1~18.04.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat8-admin-8.5.39-1ubuntu1-18.04.3-esm2.md) | May 12, 2022 |
| Linux | tomcat8-common Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3+esm2 | [tomcat8-common 8.5.39-1ubuntu1~18.04.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat8-common-8.5.39-1ubuntu1-18.04.3-esm2.md) | May 12, 2022 |
| Linux | tomcat8-docs Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3+esm2 | [tomcat8-docs 8.5.39-1ubuntu1~18.04.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat8-docs-8.5.39-1ubuntu1-18.04.3-esm2.md) | May 12, 2022 |
| Linux | tomcat8-examples Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3+esm2 | [tomcat8-examples 8.5.39-1ubuntu1~18.04.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat8-examples-8.5.39-1ubuntu1-18.04.3-esm2.md) | May 12, 2022 |
| Linux | tomcat8-user Ubuntu 18.04.6 LTS (bionic) | 8.5.39-1ubuntu1~18.04.3+esm2 | [tomcat8-user 8.5.39-1ubuntu1~18.04.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat8-user-8.5.39-1ubuntu1-18.04.3-esm2.md) | May 12, 2022 |
| Linux | tomcat9 Debian 12.15 (bookworm) | 9.0.58-1 | [DEBIAN-CVE-2022-23181](https://patchblox.com/security/data/fix/linux/debian-cve-2022-23181.md) | Jan 27, 2022 |
| Linux | tomcat9 Debian 13.5 (trixie) | 9.0.58-1 | [DEBIAN-CVE-2022-23181](https://patchblox.com/security/data/fix/linux/debian-cve-2022-23181.md) | Jan 27, 2022 |
| Linux | tomcat9 Debian 14 | 9.0.58-1 | [DEBIAN-CVE-2022-23181](https://patchblox.com/security/data/fix/linux/debian-cve-2022-23181.md) | Jan 27, 2022 |
| Linux | tomcat9 Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2+esm2 | [tomcat9 9.0.16-3ubuntu0.18.04.2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat9-9.0.16-3ubuntu0.18.04.2-esm2.md) | May 12, 2022 |
| Linux | tomcat9 Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.6 | [tomcat9 9.0.31-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tomcat9-9.0.31-1ubuntu0.6.md) | May 12, 2022 |
| Linux | tomcat9 amzn 2023 | 1:9.0.64-1.amzn2023.0.2 | [ALAS2023-2023-059](https://patchblox.com/security/data/fix/linux/alas2023-2023-059.md) | Feb 17, 2023 |
| Linux | tomcat9-admin Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2+esm2 | [tomcat9-admin 9.0.16-3ubuntu0.18.04.2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat9-admin-9.0.16-3ubuntu0.18.04.2-esm2.md) | May 12, 2022 |
| Linux | tomcat9-admin Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.6 | [tomcat9-admin 9.0.31-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tomcat9-admin-9.0.31-1ubuntu0.6.md) | May 12, 2022 |
| Linux | tomcat9-admin-webapps amzn 2023 | 1:9.0.64-1.amzn2023.0.2 | [ALAS2023-2023-059](https://patchblox.com/security/data/fix/linux/alas2023-2023-059.md) | Feb 17, 2023 |
| Linux | tomcat9-common Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2+esm2 | [tomcat9-common 9.0.16-3ubuntu0.18.04.2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat9-common-9.0.16-3ubuntu0.18.04.2-esm2.md) | May 12, 2022 |
| Linux | tomcat9-common Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.6 | [tomcat9-common 9.0.31-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tomcat9-common-9.0.31-1ubuntu0.6.md) | May 12, 2022 |
| Linux | tomcat9-docs Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2+esm2 | [tomcat9-docs 9.0.16-3ubuntu0.18.04.2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat9-docs-9.0.16-3ubuntu0.18.04.2-esm2.md) | May 12, 2022 |
| Linux | tomcat9-docs Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.6 | [tomcat9-docs 9.0.31-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tomcat9-docs-9.0.31-1ubuntu0.6.md) | May 12, 2022 |
| Linux | tomcat9-docs-webapp amzn 2023 | 1:9.0.64-1.amzn2023.0.2 | [ALAS2023-2023-059](https://patchblox.com/security/data/fix/linux/alas2023-2023-059.md) | Feb 17, 2023 |
| Linux | tomcat9-el-3.0-api amzn 2023 | 1:9.0.64-1.amzn2023.0.2 | [ALAS2023-2023-059](https://patchblox.com/security/data/fix/linux/alas2023-2023-059.md) | Feb 17, 2023 |
| Linux | tomcat9-examples Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2+esm2 | [tomcat9-examples 9.0.16-3ubuntu0.18.04.2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat9-examples-9.0.16-3ubuntu0.18.04.2-esm2.md) | May 12, 2022 |
| Linux | tomcat9-examples Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.6 | [tomcat9-examples 9.0.31-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tomcat9-examples-9.0.31-1ubuntu0.6.md) | May 12, 2022 |
| Linux | tomcat9-jsp-2.3-api amzn 2023 | 1:9.0.64-1.amzn2023.0.2 | [ALAS2023-2023-059](https://patchblox.com/security/data/fix/linux/alas2023-2023-059.md) | Feb 17, 2023 |
| Linux | tomcat9-lib amzn 2023 | 1:9.0.64-1.amzn2023.0.2 | [ALAS2023-2023-059](https://patchblox.com/security/data/fix/linux/alas2023-2023-059.md) | Feb 17, 2023 |
| Linux | tomcat9-servlet-4.0-api amzn 2023 | 1:9.0.64-1.amzn2023.0.2 | [ALAS2023-2023-059](https://patchblox.com/security/data/fix/linux/alas2023-2023-059.md) | Feb 17, 2023 |
| Linux | tomcat9-user Ubuntu 18.04.6 LTS (bionic) | 9.0.16-3ubuntu0.18.04.2+esm2 | [tomcat9-user 9.0.16-3ubuntu0.18.04.2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tomcat9-user-9.0.16-3ubuntu0.18.04.2-esm2.md) | May 12, 2022 |
| Linux | tomcat9-user Ubuntu 20.04 LTS (focal) | 9.0.31-1ubuntu0.6 | [tomcat9-user 9.0.31-1ubuntu0.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tomcat9-user-9.0.31-1ubuntu0.6.md) | May 12, 2022 |
| Linux | tomcat9-webapps amzn 2023 | 1:9.0.64-1.amzn2023.0.2 | [ALAS2023-2023-059](https://patchblox.com/security/data/fix/linux/alas2023-2023-059.md) | Feb 17, 2023 |

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