CVE-2021-30640
Auth weakness in JNDIRealm
At a glance Severity Not available EPSS EPSS 9.89 % · percentile 96 (2026-10-27) State PUBLISHED Published 2021-07-12 Updated 2026-10-08 Assigner apache NVD status Modified Description A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the protection provided by the LockOut Realm. This issue affects Apache Tomcat 10.0.0-M1 to 10.0.5; 9.0.0.M1 to 9.0.45; 8.5.0 to 8.5.65.
Scores Version Score Vector Scored by CVSS 3.1 MEDIUM 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N NVD · nvd@nist.gov (Primary) CVSS 2.0 MEDIUM 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N NVD · nvd@nist.gov (Primary)
Weaknesses (CWE)
Advisories
European references
Affected configurations (NVD CPE) cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* ≥ 7.0.0 < 7.0.109cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* ≥ 8.5.0 < 8.5.66cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* ≥ 9.0.0 < 9.0.46cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* ≥ 10.0.0 < 10.0.6cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* ≥ 8.0.0 ≤ 8.5.0cpe:2.3:a:oracle:communications_pricing_design_center:12.0.0.3.0:*:*:*:*:*:*:*cpe:2.3:a:oracle:hospitality_cruise_shipboard_property_management_system:20.1.0:*:*:*:*:*:*:*cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:* ≥ 7.4.0 ≤ 7.7.1cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*Affected products Product Versions Apache Software Foundation · Apache Tomcat affected Apache Tomcat 10 10.0.0-M1 to 10.0.5 ; affected Apache Tomcat 9 9.0.0.M1 to 9.0.45 ; affected Apache Tomcat 8.5 8.5.0 to 8.5.65 ; affected Apache Tomcat 7 7.0.0 to 7.0.108
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