Description
Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
Affected products
apache: tomcat
References2
- lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1m Mailing ListVendor Advisory
- www.openwall.com/lists/oss-security/2026/05/12/10 Mailing ListThird Party Advisory
Metrics
- CVSS 3.1
-
3.7
LOW
Score source: CNA
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N - EPSS — exploit probability
- 0% percentile: 29 · as of 14 November 2026
- CWE
- CWE-208
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