Common Weakness Enumeration

CWE-404

Allowed-with-Review

Improper Resource Shutdown or Release

Abstraction: Class · Status: Draft

The product does not release or incorrectly releases a resource before it is made available for re-use.

1219 vulnerabilities reference this CWE, most recent first.

CVE-2025-49482 (GCVE-0-2025-49482)

Vulnerability from cvelistv5 – Published: 2025-07-01 11:28 – Updated: 2025-07-01 13:47
VLAI
Title
Resource leaks in tr069
Summary
Improper Resource Shutdown or Release vulnerability in ASR180x 、ASR190x in tr069 modules allows Resource Leak Exposure. This vulnerability is associated with program files tr069/tr098.c. This issue affects Falcon_Linux、Kestrel、Lapwing_Linux: before v1536.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-404 - Improper Resource Shutdown or Release
Assigner
ASR
References
Impacted products
Vendor Product Version
ASR Falcon_Linux、Kestrel、Lapwing_Linux Affected: 0 , < v1536 (custom)
Create a notification for this product.
Date Public
2025-07-01 11:15
Show details on NVD website

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CVE-2025-49481 (GCVE-0-2025-49481)

Vulnerability from cvelistv5 – Published: 2025-07-01 11:20 – Updated: 2025-07-01 14:14
VLAI
Title
Resource leaks in router
Summary
Improper Resource Shutdown or Release vulnerability in ASR180x 、ASR190x in router modules allows Resource Leak Exposure. This vulnerability is associated with program files router/phonebook/pbwork-queue.C. This issue affects Falcon_Linux、Kestrel、Lapwing_Linux: before v1536.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-404 - Improper Resource Shutdown or Release
Assigner
ASR
References
Impacted products
Vendor Product Version
ASR Falcon_Linux、Kestrel、Lapwing_Linux Affected: 0 , < v1536 (custom)
Create a notification for this product.
Date Public
2025-07-01 11:15
Show details on NVD website

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CVE-2025-48989 (GCVE-0-2025-48989)

Vulnerability from cvelistv5 – Published: 2025-08-13 12:11 – Updated: 2026-05-12 12:08
VLAI
Title
Apache Tomcat: h2 DoS - Made You Reset
Summary
Improper Resource Shutdown or Release vulnerability in Apache Tomcat made Tomcat vulnerable to the made you reset attack. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.9, from 10.1.0-M1 through 10.1.43 and from 9.0.0.M1 through 9.0.107. Older, EOL versions may also be affected. Users are recommended to upgrade to one of versions 11.0.10, 10.1.44 or 9.0.108 which fix the issue.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-404 - Improper Resource Shutdown or Release
Assigner
Impacted products
Vendor Product Version
Apache Software Foundation Apache Tomcat Affected: 11.0.0-M1 , ≤ 11.0.9 (semver)
Affected: 10.1.0-M1 , ≤ 10.1.43 (semver)
Affected: 9.0.0.M1 , ≤ 9.0.107 (semver)
Unknown: 8.5.0 , ≤ 8.5.100 (semver)
Unknown: 10.0.0-M1 , ≤ 10.0.27 (semver)
Create a notification for this product.
Siemens SIMATIC CN 4100 Affected: 0 , < V5.0 (custom)
Create a notification for this product.
Credits
Gal Bar Nahum, Anat Bremler-Barr, and Yaniv Harel of Tel Aviv University
Show details on NVD website

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CVE-2025-47148 (GCVE-0-2025-47148)

Vulnerability from cvelistv5 – Published: 2025-10-15 13:55 – Updated: 2026-02-26 16:57
VLAI
Title
BIG-IP APM and SSL Orchestrator vulnerability
Summary
When the BIG-IP system is configured as both a Security Assertion Markup Language (SAML) service provider (SP) and Identity Provider (IdP), with single logout (SLO) enabled on an access policy, undisclosed requests can cause an increase in memory resource utilization.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-404 - Improper Resource Shutdown or Release
Assigner
f5
References
Impacted products
Vendor Product Version
F5 BIG-IP Affected: 17.5.0 , < 17.5.1 (custom)
Affected: 17.1.0 , < 17.1.3 (custom)
Affected: 16.1.0 , < 16.1.6.1 (custom)
Affected: 15.1.0 , < 15.1.10.8 (custom)
Create a notification for this product.
Date Public
2025-10-15 14:00
Credits
F5
Show details on NVD website

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CVE-2025-43935 (GCVE-0-2025-43935)

Vulnerability from cvelistv5 – Published: 2026-04-16 17:59 – Updated: 2026-04-16 19:38
VLAI
Summary
Dell PowerScale OneFS, versions prior to 9.12.0.0, contains an improper resource shutdown or release vulnerability. A high privileged attacker with local access could potentially exploit this vulnerability, leading to denial of service.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-404 - Improper Resource Shutdown or Release
Assigner
References
Impacted products
Vendor Product Version
Dell PowerScale OneFS Affected: 9.5.0.0 , < 9.10.1.3 (semver)
Affected: 0 , < 9.12.0.0 (semver)
Affected: 9.7.0.0 , < 9.7.1.10 (semver)
Affected: 9.5.0.0 , < 9.5.1.5 (semver)
Create a notification for this product.
Date Public
2025-10-01 17:00
Show details on NVD website

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CVE-2025-41399 (GCVE-0-2025-41399)

Vulnerability from cvelistv5 – Published: 2025-05-07 22:04 – Updated: 2025-05-08 13:23
VLAI
Title
SCTP Vulnerability
Summary
When a Stream Control Transmission Protocol (SCTP) profile is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-404 - Improper Resource Shutdown or Release
Assigner
f5
References
Impacted products
Vendor Product Version
F5 BIG-IP Unaffected: 17.5.0 , < * (custom)
Affected: 17.1.0 , < 17.1.1 (custom)
Affected: 16.1.0 , < 16.1.4 (custom)
Affected: 15.1.0 , < 15.1.9 (custom)
Create a notification for this product.
F5 BIG-IP Next Affected: 20.0.1 , < 20.2.1 (custom)
Create a notification for this product.
F5 BIG-IP Next SPK Affected: 1.8.0 , < 2.0.0 (custom)
Affected: 1.7.0 , < 1.7.12 (custom)
Create a notification for this product.
F5 BIG-IP Next CNF Unaffected: 2.0.0 , < * (custom)
Affected: 1.1.0 , < 1.3.0 (custom)
Create a notification for this product.
Date Public
2025-05-07 14:00
Credits
F5
Show details on NVD website

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CVE-2025-36006 (GCVE-0-2025-36006)

Vulnerability from cvelistv5 – Published: 2025-11-07 19:04 – Updated: 2025-11-07 19:15
VLAI
Title
IBM Db2 denial of service
Summary
IBM Db2 10.5.0 through 10.5.11, 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial due to the improper release of resources after use.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-404 - Improper Resource Shutdown or Release
Assigner
ibm
References
URL Tags
https://www.ibm.com/support/pages/node/7250479 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM Db2 Affected: 10.5.0 , ≤ 10.5.11 (semver)
Affected: 11.1.0 , ≤ 11.1.4.7 (semver)
Affected: 11.5.0 , ≤ 11.5.9 (semver)
Affected: 12.1.0 , ≤ 12.1.3 (semver)
    cpe:2.3:a:ibm:db2:10.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:db2:11.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:db2:11.1.4.7:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:db2:10.5.11:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2025-24811 (GCVE-0-2025-24811)

Vulnerability from cvelistv5 – Published: 2025-02-11 10:29 – Updated: 2025-02-12 20:51
VLAI
Summary
A vulnerability has been identified in SIMATIC S7-1200 CPU 1211C AC/DC/Rly (6ES7211-1BE40-0XB0), SIMATIC S7-1200 CPU 1211C DC/DC/DC (6ES7211-1AE40-0XB0), SIMATIC S7-1200 CPU 1211C DC/DC/Rly (6ES7211-1HE40-0XB0), SIMATIC S7-1200 CPU 1212C AC/DC/Rly (6ES7212-1BE40-0XB0), SIMATIC S7-1200 CPU 1212C DC/DC/DC (6ES7212-1AE40-0XB0), SIMATIC S7-1200 CPU 1212C DC/DC/Rly (6ES7212-1HE40-0XB0), SIMATIC S7-1200 CPU 1212FC DC/DC/DC (6ES7212-1AF40-0XB0), SIMATIC S7-1200 CPU 1212FC DC/DC/Rly (6ES7212-1HF40-0XB0), SIMATIC S7-1200 CPU 1214C AC/DC/Rly (6ES7214-1BG40-0XB0), SIMATIC S7-1200 CPU 1214C DC/DC/DC (6ES7214-1AG40-0XB0), SIMATIC S7-1200 CPU 1214C DC/DC/Rly (6ES7214-1HG40-0XB0), SIMATIC S7-1200 CPU 1214FC DC/DC/DC (6ES7214-1AF40-0XB0), SIMATIC S7-1200 CPU 1214FC DC/DC/Rly (6ES7214-1HF40-0XB0), SIMATIC S7-1200 CPU 1215C AC/DC/Rly (6ES7215-1BG40-0XB0), SIMATIC S7-1200 CPU 1215C DC/DC/DC (6ES7215-1AG40-0XB0), SIMATIC S7-1200 CPU 1215C DC/DC/Rly (6ES7215-1HG40-0XB0), SIMATIC S7-1200 CPU 1215FC DC/DC/DC (6ES7215-1AF40-0XB0), SIMATIC S7-1200 CPU 1215FC DC/DC/Rly (6ES7215-1HF40-0XB0), SIMATIC S7-1200 CPU 1217C DC/DC/DC (6ES7217-1AG40-0XB0), SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-2XB0), SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-4XB0), SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-2XB0), SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-4XB0), SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-2XB0), SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-4XB0), SIPLUS S7-1200 CPU 1212C DC/DC/DC RAIL (6AG2212-1AE40-1XB0), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-2XB0), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-4XB0), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-5XB0), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-2XB0), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-4XB0), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-5XB0), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-2XB0), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-4XB0), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-5XB0), SIPLUS S7-1200 CPU 1214C DC/DC/DC RAIL (6AG2214-1AG40-1XB0), SIPLUS S7-1200 CPU 1214FC DC/DC/DC (6AG1214-1AF40-5XB0), SIPLUS S7-1200 CPU 1214FC DC/DC/RLY (6AG1214-1HF40-5XB0), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-2XB0), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-4XB0), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-5XB0), SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-2XB0), SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-4XB0), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-2XB0), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-4XB0), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-5XB0), SIPLUS S7-1200 CPU 1215C DC/DC/DC (6AG1215-1AG40-5XB0), SIPLUS S7-1200 CPU 1215FC DC/DC/DC (6AG1215-1AF40-5XB0). Affected devices do not process correctly certain special crafted packets sent to port 80/tcp, which could allow an unauthenticated attacker to cause a denial of service in the device.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-404 - Improper Resource Shutdown or Release
Assigner
Impacted products
Vendor Product Version
Siemens SIMATIC S7-1200 CPU 1211C AC/DC/Rly Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1211C DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1211C DC/DC/Rly Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1212C AC/DC/Rly Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1212C DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1212C DC/DC/Rly Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1212FC DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1212FC DC/DC/Rly Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1214C AC/DC/Rly Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1214C DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1214C DC/DC/Rly Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1214FC DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1214FC DC/DC/Rly Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1215C AC/DC/Rly Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1215C DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1215C DC/DC/Rly Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1215FC DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1215FC DC/DC/Rly Affected: 0 , < V4.7 (custom)
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Siemens SIMATIC S7-1200 CPU 1217C DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1212 AC/DC/RLY Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1212 DC/DC/RLY Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1212C DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1212C DC/DC/DC RAIL Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1214 AC/DC/RLY Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1214 DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1214 DC/DC/RLY Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1214C DC/DC/DC RAIL Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1214FC DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1214FC DC/DC/RLY Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1215 AC/DC/RLY Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1215 DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1215 DC/DC/RLY Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1215C DC/DC/DC Affected: 0 , < V4.7 (custom)
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Siemens SIPLUS S7-1200 CPU 1215FC DC/DC/DC Affected: 0 , < V4.7 (custom)
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Show details on NVD website

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CVE-2025-22846 (GCVE-0-2025-22846)

Vulnerability from cvelistv5 – Published: 2025-02-05 17:31 – Updated: 2025-02-12 20:51
VLAI
Title
BIG-IP SIP Vulnerability
Summary
When SIP Session and Router ALG profiles are configured on a Message Routing type virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.   Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-404 - Improper Resource Shutdown or Release
Assigner
f5
References
Impacted products
Vendor Product Version
F5 BIG-IP Affected: 17.1.0 , < 17.1.2 (custom)
Affected: 16.1.0 , < 16.1.5 (custom)
Affected: 15.1.0 , < * (custom)
Create a notification for this product.
F5 BIG-IP Next SPK Affected: 1.8.0 , < 1.9.1 (custom)
Affected: 1.7.0 , < 1.7.7 (custom)
Create a notification for this product.
Date Public
2025-02-05 15:00
Credits
F5
Show details on NVD website

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CVE-2025-20127 (GCVE-0-2025-20127)

Vulnerability from cvelistv5 – Published: 2025-08-14 16:28 – Updated: 2025-09-03 17:39
VLAI
Title
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software for Firepower 3100 and 4200 Series TLS Cipher Denial of Service Vulnerability
Summary
A vulnerability in the TLS 1.3 implementation for a specific cipher for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software for Cisco Firepower 3100 and 4200 Series devices could allow an authenticated, remote attacker to consume resources that are associated with incoming TLS 1.3 connections, which eventually could cause the device to stop accepting any new SSL/TLS or VPN requests. This vulnerability is due to the implementation of the TLS 1.3 Cipher TLS_CHACHA20_POLY1305_SHA256. An attacker could exploit this vulnerability by sending a large number of TLS 1.3 connections with the specific TLS 1.3 Cipher TLS_CHACHA20_POLY1305_SHA256. A successful exploit could allow the attacker to cause a denial of service (DoS) condition where no new incoming encrypted connections are accepted. The device must be reloaded to clear this condition. Note: These incoming TLS 1.3 connections include both data traffic and user-management traffic. After the device is in the vulnerable state, no new encrypted connections can be accepted.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-404 - Improper Resource Shutdown or Release
Assigner
Impacted products
Vendor Product Version
Cisco Cisco Adaptive Security Appliance (ASA) Software Affected: 9.20.1
Affected: 9.20.1.5
Affected: 9.20.2
Affected: 9.20.2.10
Affected: 9.20.2.21
Affected: 9.20.2.22
Affected: 9.20.3
Affected: 9.22.1.1
Affected: 9.20.3.4
Affected: 9.20.3.7
Create a notification for this product.
Cisco Cisco Firepower Threat Defense Software Affected: 7.4.0
Affected: 7.4.1
Affected: 7.4.1.1
Affected: 7.4.2
Affected: 7.6.0
Affected: 7.4.2.1
Create a notification for this product.
Show details on NVD website

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Mitigation MIT-3
Requirements

Strategy: Language Selection

  • Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
  • For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.
Mitigation
Implementation

It is good practice to be responsible for freeing all resources you allocate and to be consistent with how and where you free memory in a function. If you allocate memory that you intend to free upon completion of the function, you must be sure to free the memory at all exit points for that function including error conditions.

Mitigation
Implementation

Memory should be allocated/freed using matching functions such as malloc/free, new/delete, and new[]/delete[].

Mitigation
Implementation

When releasing a complex object or structure, ensure that you properly dispose of all of its member components, not just the object itself.

CAPEC-125: Flooding

An adversary consumes the resources of a target by rapidly engaging in a large number of interactions with the target. This type of attack generally exposes a weakness in rate limiting or flow. When successful this attack prevents legitimate users from accessing the service and can cause the target to crash. This attack differs from resource depletion through leaks or allocations in that the latter attacks do not rely on the volume of requests made to the target but instead focus on manipulation of the target's operations. The key factor in a flooding attack is the number of requests the adversary can make in a given period of time. The greater this number, the more likely an attack is to succeed against a given target.

CAPEC-130: Excessive Allocation

An adversary causes the target to allocate excessive resources to servicing the attackers' request, thereby reducing the resources available for legitimate services and degrading or denying services. Usually, this attack focuses on memory allocation, but any finite resource on the target could be the attacked, including bandwidth, processing cycles, or other resources. This attack does not attempt to force this allocation through a large number of requests (that would be Resource Depletion through Flooding) but instead uses one or a small number of requests that are carefully formatted to force the target to allocate excessive resources to service this request(s). Often this attack takes advantage of a bug in the target to cause the target to allocate resources vastly beyond what would be needed for a normal request.

CAPEC-131: Resource Leak Exposure

An adversary utilizes a resource leak on the target to deplete the quantity of the resource available to service legitimate requests.

CAPEC-494: TCP Fragmentation

An adversary may execute a TCP Fragmentation attack against a target with the intention of avoiding filtering rules of network controls, by attempting to fragment the TCP packet such that the headers flag field is pushed into the second fragment which typically is not filtered.

CAPEC-495: UDP Fragmentation

An attacker may execute a UDP Fragmentation attack against a target server in an attempt to consume resources such as bandwidth and CPU. IP fragmentation occurs when an IP datagram is larger than the MTU of the route the datagram has to traverse. Typically the attacker will use large UDP packets over 1500 bytes of data which forces fragmentation as ethernet MTU is 1500 bytes. This attack is a variation on a typical UDP flood but it enables more network bandwidth to be consumed with fewer packets. Additionally it has the potential to consume server CPU resources and fill memory buffers associated with the processing and reassembling of fragmented packets.

CAPEC-496: ICMP Fragmentation

An attacker may execute a ICMP Fragmentation attack against a target with the intention of consuming resources or causing a crash. The attacker crafts a large number of identical fragmented IP packets containing a portion of a fragmented ICMP message. The attacker these sends these messages to a target host which causes the host to become non-responsive. Another vector may be sending a fragmented ICMP message to a target host with incorrect sizes in the header which causes the host to hang.

CAPEC-666: BlueSmacking

An adversary uses Bluetooth flooding to transfer large packets to Bluetooth enabled devices over the L2CAP protocol with the goal of creating a DoS. This attack must be carried out within close proximity to a Bluetooth enabled device.