CVE-2021-41079

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-41079
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371452fdae313b98a%40%3Cusers.tomcat.apache.org%3E
https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd116f713f8ab9dbe%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/rccdef0349fdf4fb73a4e4403095446d7fe6264e0a58e2df5c6799434%40%3Cannounce.tomcat.apache.org%3E Mailing List Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/09/msg00012.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20211008-0005/ Third Party Advisory
https://www.debian.org/security/2021/dsa-4986 Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*

Configuration 2 (hide)

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:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:a:netapp:management_services_for_element_software_and_netapp_hci:-:*:*:*:*:*:*:*
History

07 Nov 2023, 03:38

Type Values Removed Values Added
References
  • {'url': 'https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371452fdae313b98a@%3Cusers.tomcat.apache.org%3E', 'name': '[tomcat-users] 20211014 [SECURITY] CVE-2021-42340 Apache Tomcat DoS', 'tags': ['Mailing List', 'Vendor Advisory'], 'refsource': 'MLIST'}
  • {'url': 'https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd116f713f8ab9dbe@%3Cdev.tomcat.apache.org%3E', 'name': '[tomcat-dev] 20211014 [SECURITY] CVE-2021-42340 Apache Tomcat DoS', 'tags': ['Mailing List', 'Vendor Advisory'], 'refsource': 'MLIST'}
  • () https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371452fdae313b98a%40%3Cusers.tomcat.apache.org%3E -
  • () https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd116f713f8ab9dbe%40%3Cdev.tomcat.apache.org%3E -

25 Oct 2022, 18:36

Type Values Removed Values Added
CWE CWE-20 CWE-835

01 Dec 2021, 14:19

Type Values Removed Values Added
CPE cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:management_services_for_element_software_and_netapp_hci:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
References (MLIST) https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371452fdae313b98a@%3Cusers.tomcat.apache.org%3E - (MLIST) https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371452fdae313b98a@%3Cusers.tomcat.apache.org%3E - Mailing List, Vendor Advisory
References (MLIST) https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd116f713f8ab9dbe@%3Cdev.tomcat.apache.org%3E - (MLIST) https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd116f713f8ab9dbe@%3Cdev.tomcat.apache.org%3E - Mailing List, Vendor Advisory
References (DEBIAN) https://www.debian.org/security/2021/dsa-4986 - (DEBIAN) https://www.debian.org/security/2021/dsa-4986 - Third Party Advisory
References (CONFIRM) https://security.netapp.com/advisory/ntap-20211008-0005/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20211008-0005/ - Third Party Advisory

15 Oct 2021, 15:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4986 -

14 Oct 2021, 17:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.apache.org/thread.html/r6b6b674e3f168dd010e67dbe6848b866e2acf26371452fdae313b98a@%3Cusers.tomcat.apache.org%3E -
  • (MLIST) https://lists.apache.org/thread.html/rb4de81ac647043541a32881099aa6eb5a23f1b7fd116f713f8ab9dbe@%3Cdev.tomcat.apache.org%3E -

08 Oct 2021, 15:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20211008-0005/ -

28 Sep 2021, 19:02

Type Values Removed Values Added
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/09/msg00012.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/09/msg00012.html - Mailing List, Third Party Advisory
References (MISC) https://lists.apache.org/thread.html/rccdef0349fdf4fb73a4e4403095446d7fe6264e0a58e2df5c6799434%40%3Cannounce.tomcat.apache.org%3E - (MISC) https://lists.apache.org/thread.html/rccdef0349fdf4fb73a4e4403095446d7fe6264e0a58e2df5c6799434%40%3Cannounce.tomcat.apache.org%3E - Mailing List, Vendor Advisory
CWE CWE-20
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 7.5

23 Sep 2021, 01:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/09/msg00012.html -

16 Sep 2021, 15:28

Type Values Removed Values Added
New CVE
Information

Published : 2021-09-16 15:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-41079

Mitre link : CVE-2021-41079

CVE.ORG link : CVE-2021-41079

JSON object : View

Products Affected

debian

  • debian_linux

apache

  • tomcat

netapp

  • management_services_for_element_software_and_netapp_hci
CWE
CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-20

Improper Input Validation