CVE-2021-41079
Apache Tomcat OpenSSL TLS Denial of Service
Description
Apache Tomcat 8.5.0 to 8.5.63, 9.0.0-M1 to 9.0.43 and 10.0.0-M1 to 10.0.2 did not properly validate incoming TLS packets. When Tomcat was configured to use NIO+OpenSSL or NIO2+OpenSSL for TLS, a specially crafted packet could be used to trigger an infinite loop resulting in a denial of service.
INFO
Published Date :
Sept. 16, 2021, 3:15 p.m.
Last Modified :
Nov. 7, 2023, 3:38 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-41079 has a 2 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-2021-41079
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-2021-41079
.
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).
None
Tips & tricks for using the Versio.io Product Lifecycle and Security API
api lifecycle lifecycle-data security-audit security-tools security-vulnerability product hardware lts maintenance release software support version longtermsupport
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-41079
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-41079
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 -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference Apache Software Foundation https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd116f713f8ab9dbe%40%3Cdev.tomcat.apache.org%3E [No types assigned] Added Reference Apache Software Foundation https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371452fdae313b98a%40%3Cusers.tomcat.apache.org%3E [No types assigned] Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371452fdae313b98a@%3Cusers.tomcat.apache.org%3E Removed Reference Apache Software Foundation https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd116f713f8ab9dbe@%3Cdev.tomcat.apache.org%3E -
Reanalysis by [email protected]
Oct. 25, 2022
Action Type Old Value New Value Removed CWE NIST CWE-20 Added CWE NIST CWE-835 -
Modified Analysis by [email protected]
Dec. 01, 2021
Action Type Old Value New Value Changed Reference Type https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371452fdae313b98a@%3Cusers.tomcat.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371452fdae313b98a@%3Cusers.tomcat.apache.org%3E Mailing List, Vendor Advisory Changed Reference Type https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd116f713f8ab9dbe@%3Cdev.tomcat.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd116f713f8ab9dbe@%3Cdev.tomcat.apache.org%3E Mailing List, Vendor Advisory Changed Reference Type https://security.netapp.com/advisory/ntap-20211008-0005/ No Types Assigned https://security.netapp.com/advisory/ntap-20211008-0005/ Third Party Advisory 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 CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 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:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:netapp:management_services_for_element_software_and_netapp_hci:-:*:*:*:*:*:*:* -
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] -
CVE Modified by [email protected]
Oct. 14, 2021
Action Type Old Value New Value Added Reference https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371452fdae313b98a@%3Cusers.tomcat.apache.org%3E [No Types Assigned] Added Reference https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd116f713f8ab9dbe@%3Cdev.tomcat.apache.org%3E [No Types Assigned] -
CVE Modified by [email protected]
Oct. 08, 2021
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20211008-0005/ [No Types Assigned] -
Reanalysis by [email protected]
Sep. 28, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 8.5.0 up to (excluding) 8.5.64 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.0.44 *cpe:2.3:a:apache:tomcat:10.0.0:milestone1:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone10:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone2:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone3:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone4:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone5:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone6:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone7:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone8:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone9:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 10.0.1 up to (including) 10.0.2 OR *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 8.5.0 up to (excluding) 8.5.64 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.0.44 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 10.0.0 up to (including) 10.0.2 -
Initial Analysis by [email protected]
Sep. 28, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://lists.apache.org/thread.html/rccdef0349fdf4fb73a4e4403095446d7fe6264e0a58e2df5c6799434%40%3Cannounce.tomcat.apache.org%3E No Types Assigned https://lists.apache.org/thread.html/rccdef0349fdf4fb73a4e4403095446d7fe6264e0a58e2df5c6799434%40%3Cannounce.tomcat.apache.org%3E Mailing List, Vendor Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/09/msg00012.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/09/msg00012.html Mailing List, Third Party Advisory Added CWE NIST CWE-20 Added CPE Configuration OR *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 8.5.0 up to (excluding) 8.5.64 *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.0.44 *cpe:2.3:a:apache:tomcat:10.0.0:milestone1:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone10:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone2:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone3:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone4:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone5:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone6:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone7:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone8:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:10.0.0:milestone9:*:*:*:*:*:* *cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:* versions from (including) 10.0.1 up to (including) 10.0.2 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 23, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/09/msg00012.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-2021-41079
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-2021-41079
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.52 }} 0.06%
score
0.76831
percentile