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Vulnerability record · CVE-2022-23181 · published 27 January 2022

CVE-2022-23181: Apache tomcat toctou race condition vulnerability

Apache · Tomcat

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.

7.0 CVSS 3.1 High EPSS 0.69% · top 49.0% CWE-367 · TOCTOU race condition
7.0CVSS 3.1 base score, v2 3.7
0.69%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread/l8x62p3k19yfcb208jo4zrb83k5mfwg9 Mailing ListMitigationVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00029.html Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20220217-0010/ Third Party Advisory
https://www.debian.org/security/2022/dsa-5265 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html PatchThird Party Advisory
https://lists.apache.org/thread/l8x62p3k19yfcb208jo4zrb83k5mfwg9 Mailing ListMitigationVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00029.html Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20220217-0010/ Third Party Advisory
https://www.debian.org/security/2022/dsa-5265 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html PatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2022-23181), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.