CVE-2021-30640
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
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.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-30640
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-30640.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 9.0.43-2 |
| debian | bullseye | fixed | 9.0.43-2~deb11u1 |
| debian | forky | fixed | 9.0.43-2 |
| debian | sid | fixed | 9.0.43-2 |
| debian | trixie | fixed | 9.0.43-2 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.apache.tomcat:tomcat | >=10.0.0-M1,<10.0.5 | 10.0.5 |
| Maven | org.apache.tomcat:tomcat | >=9.0.0M1,<9.0.45 | 9.0.45 |
| Maven | org.apache.tomcat:tomcat | >=8.5.0,<8.5.65 | 8.5.65 |
References
- https://www.suse.com/security/cve/CVE-2021-30640.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-30640
- 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
- https://www.debian.org/security/2021/dsa-4986
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://security-tracker.debian.org/tracker/CVE-2021-30640
Verify integrity in audit chain (admin only). AS-IS.