CVE-2021-30640
Apache Tomcat JNDI Realm Authentication Bypass
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.
INFO
Published Date :
July 12, 2021, 3:15 p.m.
Last Modified :
Oct. 27, 2022, 1:08 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
4.2
Exploitability Score :
2.2
Public PoC/Exploit Available at Github
CVE-2021-30640 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-30640
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-30640.
| URL | Resource |
|---|---|
| https://lists.apache.org/thread.html/r59f9ef03929d32120f91f4ea7e6e79edd5688d75d0a9b65fd26d1fe8%40%3Cannounce.tomcat.apache.org%3E | Mailing List Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202208-34 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210827-0007/ | Third Party Advisory |
| https://www.debian.org/security/2021/dsa-4952 | Third Party Advisory |
| https://www.debian.org/security/2021/dsa-4986 | Third Party Advisory |
| https://www.oracle.com//security-alerts/cpujul2021.html | Third Party Advisory |
| https://www.oracle.com/security-alerts/cpujan2022.html | Patch Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuoct2021.html | Patch Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Tips & tricks for using the Versio.io Product Lifecycle and Security API
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-30640 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-30640 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Modified Analysis by [email protected]
Oct. 27, 2022
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/202208-34 No Types Assigned https://security.gentoo.org/glsa/202208-34 Third Party Advisory -
CVE Modified by [email protected]
Aug. 21, 2022
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/202208-34 [No Types Assigned] -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-287 CWE-116 -
Modified Analysis by [email protected]
Mar. 01, 2022
Action Type Old Value New Value Changed Reference Type https://www.oracle.com/security-alerts/cpujan2022.html No Types Assigned https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (including) 8.5.0 *cpe:2.3:a:oracle:communications_pricing_design_center:12.0.0.3.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (including) 7.7.1 OR *cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (including) 8.5.0 *cpe: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:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (including) 7.7.1 -
CVE Modified by [email protected]
Feb. 07, 2022
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpujan2022.html [No Types Assigned] -
Modified Analysis by [email protected]
Dec. 09, 2021
Action Type Old Value New Value Changed Reference Type https://www.debian.org/security/2021/dsa-4986 No Types Assigned https://www.debian.org/security/2021/dsa-4986 Third Party Advisory Changed Reference Type https://www.oracle.com/security-alerts/cpuoct2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuoct2021.html Patch, Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (including) 8.5.0 OR *cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (including) 8.5.0 *cpe:2.3:a:oracle:communications_pricing_design_center:12.0.0.3.0:*:*:*:*:*:*:* *cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:* versions from (including) 7.4.0 up to (including) 7.7.1 Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* OR *cpe: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:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 20, 2021
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuoct2021.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 15, 2021
Action Type Old Value New Value Added Reference https://www.debian.org/security/2021/dsa-4986 [No Types Assigned] -
Modified Analysis by [email protected]
Sep. 21, 2021
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html Mailing List, Third Party Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20210827-0007/ No Types Assigned https://security.netapp.com/advisory/ntap-20210827-0007/ Third Party Advisory Changed Reference Type https://www.debian.org/security/2021/dsa-4952 No Types Assigned https://www.debian.org/security/2021/dsa-4952 Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 27, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20210827-0007/ [No Types Assigned] -
CVE Modified by [email protected]
Aug. 10, 2021
Action Type Old Value New Value Added Reference https://www.debian.org/security/2021/dsa-4952 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 06, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/08/msg00009.html [No Types Assigned] -
Reanalysis by [email protected]
Jul. 26, 2021
Action Type Old Value New Value Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:N) Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:P/A:N) Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N -
Initial Analysis by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N Changed Reference Type https://lists.apache.org/thread.html/r59f9ef03929d32120f91f4ea7e6e79edd5688d75d0a9b65fd26d1fe8%40%3Cannounce.tomcat.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r59f9ef03929d32120f91f4ea7e6e79edd5688d75d0a9b65fd26d1fe8%40%3Cannounce.tomcat.apache.org%3E Mailing List, Vendor Advisory Changed Reference Type https://www.oracle.com//security-alerts/cpujul2021.html No Types Assigned https://www.oracle.com//security-alerts/cpujul2021.html Third Party Advisory Added CWE NIST CWE-287 Added CPE Configuration OR *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 7.0.0 up to (excluding) 7.0.109 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 8.5.0 up to (excluding) 8.5.66 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.0.46 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 10.0.0 up to (excluding) 10.0.6 Added CPE Configuration OR *cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (including) 8.5.0 -
CVE Modified by [email protected]
Jul. 20, 2021
Action Type Old Value New Value Added Reference https://www.oracle.com//security-alerts/cpujul2021.html [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-30640 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-30640
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.20 }} 0.02%
score
0.57589
percentile