CVE-2021-30640
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 3.1
- 6.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N - EPSS
- 9.9% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-25)
- CWE
- CWE-116
- Published
- Modified
- Record from
- the NVD, synced
Affected
- apache:tomcat
- debian:debian_linux
- oracle:communications_cloud_native_core_policy
- oracle:communications_diameter_signaling_router
- oracle:communications_pricing_design_center
- oracle:hospitality_cruise_shipboard_property_management_system
- oracle:tekelec_platform_distribution
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-36qh-35cm-5w2w | Maven | org.apache.tomcat:tomcat | >=10.0.0-M1 <10.0.5 | 10.0.5 |
| GHSA-36qh-35cm-5w2w | Maven | org.apache.tomcat:tomcat | >=9.0.0M1 <9.0.45 | 9.0.45 |
| GHSA-36qh-35cm-5w2w | Maven | org.apache.tomcat:tomcat | >=8.5.0 <8.5.65 | 8.5.65 |
References
- https://lists.apache.org/thread.html/r59f9ef03929d32120f91f4ea7e6e79edd5688d75d0a9b65fd26d1fe8%40%3Cannounce.tomcat.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html
- https://security.gentoo.org/glsa/202208-34
- https://security.netapp.com/advisory/ntap-20210827-0007/
- https://www.debian.org/security/2021/dsa-4952