CVE-2021-30640 — MEDIUM (6.5)

Q: How severe is CVE-2021-30640?

CVE-2021-30640 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-30640?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Tomcat, Oracle Communications Cloud Native Core Policy, Oracle Communications Diameter Signaling Router, Oracle Communications Pricing Design Center, Oracle Hospitality Cruise Shipboard Property Management System.

Vulnerability 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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Apache	Tomcat	>= 7.0.0, < 7.0.109
Oracle	Communications Cloud Native Core Policy	1.14.0
Oracle	Communications Diameter Signaling Router	>= 8.0.0, <= 8.5.0
Oracle	Communications Pricing Design Center	12.0.0.3.0
Oracle	Hospitality Cruise Shipboard Property Management System	20.1.0
Oracle	Tekelec Platform Distribution	>= 7.4.0, <= 7.7.1
Debian	Debian Linux	9.0

Related Weaknesses (CWE)

CWE-116

References

https://lists.apache.org/thread.html/r59f9ef03929d32120f91f4ea7e6e79edd5688d75d0Mailing ListVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00009.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202208-34Third Party Advisory
https://security.netapp.com/advisory/ntap-20210827-0007/Third Party Advisory
https://www.debian.org/security/2021/dsa-4952Third Party Advisory
https://www.debian.org/security/2021/dsa-4986Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlPatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatchThird Party Advisory
https://lists.apache.org/thread.html/r59f9ef03929d32120f91f4ea7e6e79edd5688d75d0Mailing ListVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00009.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202208-34Third Party Advisory
https://security.netapp.com/advisory/ntap-20210827-0007/Third Party Advisory
https://www.debian.org/security/2021/dsa-4952Third Party Advisory
https://www.debian.org/security/2021/dsa-4986Third Party Advisory

FAQ

What is CVE-2021-30640?

CVE-2021-30640 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 ...

How severe is CVE-2021-30640?

CVE-2021-30640 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-30640?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Tomcat, Oracle Communications Cloud Native Core Policy, Oracle Communications Diameter Signaling Router, Oracle Communications Pricing Design Center, Oracle Hospitality Cruise Shipboard Property Management System.