CVE-2021-30640Auth weakness in JNDIRealm
Updated under an hour ago ()
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It affects Apache Software Foundation Apache Tomcat and 7 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- apache
- NVD analysis
- Modified
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Apache Software Foundation Apache Tomcat apache_software_foundation:apache_tomcat (from the name) | Apache Tomcat 10 10.0.0-M1 to 10.0.5; Apache Tomcat 9 9.0.0.M1 to 9.0.45; Apache Tomcat 8.5 8.5.0 to 8.5.65; Apache Tomcat 7 7.0.0 to 7.0.108 | CNA record |
apache tomcat apache:tomcat | from 7.0.0 before 7.0.109; from 8.5.0 before 8.5.66; from 9.0.0 before 9.0.46; from 10.0.0 before 10.0.6 | NVD |
oracle communications_cloud_native_core_policy oracle:communications_cloud_native_core_policy | 1.14.0 | NVD |
oracle communications_diameter_signaling_router oracle:communications_diameter_signaling_router | from 8.0.0 through 8.5.0 | NVD |
oracle communications_pricing_design_center oracle:communications_pricing_design_center | 12.0.0.3.0 | NVD |
oracle hospitality_cruise_shipboard_property_management_system oracle:hospitality_cruise_shipboard_property_management_system | 20.1.0 | NVD |
oracle tekelec_platform_distribution oracle:tekelec_platform_distribution | from 7.4.0 through 7.7.1 | NVD |
debian debian_linux debian:debian_linux | 9.0; 10.0; 11.0 | NVD |
References
- https://lists.apache.org/thread.html/r59f9ef03929d32120f91f4ea7e6e79edd5688d75d0a9b65fd26d1fe8%40%3Cannounce.tomcat.apache.org%3Ex-refsource-misc
- https://www.oracle.com//security-alerts/cpujul2021.htmlx-refsource-misc
- https://lists.debian.org/debian-lts-announce/2021/08/msg00009.htmlmailing-list, x-refsource-mlist
- https://www.debian.org/security/2021/dsa-4952vendor-advisory, x-refsource-debian
- https://www.debian.org/security/2021/dsa-4986vendor-advisory, x-refsource-debian
- https://www.oracle.com/security-alerts/cpuoct2021.htmlx-refsource-misc
- https://security.netapp.com/advisory/ntap-20210827-0007/x-refsource-confirm
- https://www.oracle.com/security-alerts/cpujan2022.htmlx-refsource-misc
- https://security.gentoo.org/glsa/202208-34vendor-advisory, x-refsource-gentoo
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.