Common Weakness Enumeration

CWE-476

Allowed

NULL Pointer Dereference

Abstraction: Base · Status: Stable

API response cwe.mitre.org

The product dereferences a pointer that it expects to be valid but is NULL.

6334 vulnerabilities reference this CWE, most recent first.

CVE-2023-32008 (GCVE-0-2023-32008)

Vulnerability from cvelistv5 – Published: 2023-06-13 23:26 – Updated: 2025-01-01 01:44
VLAI
Title
Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
Summary
Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.4499 (custom)
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Microsoft Windows 10 Version 1809 Affected: 10.0.0 , < 10.0.17763.4499 (custom)
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Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.4499 (custom)
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Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.4499 (custom)
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Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.1787 (custom)
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Microsoft Windows 11 version 21H2 Affected: 10.0.0 , < 10.0.22000.2057 (custom)
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Microsoft Windows 10 Version 21H2 Affected: 10.0.19043.0 , < 10.0.19044.3086 (custom)
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Microsoft Windows 11 version 22H2 Affected: 10.0.22621.0 , < 10.0.22621.1848 (custom)
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Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.3086 (custom)
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Microsoft Windows 10 Version 1507 Affected: 10.0.10240.0 , < 10.0.10240.19983 (custom)
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Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.5989 (custom)
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Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.5989 (custom)
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Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.5989 (custom)
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Date Public
2023-06-13 07:00
Show details on NVD website
To clipboard 

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CVE-2023-31129 (GCVE-0-2023-31129)

Vulnerability from cvelistv5 – Published: 2023-05-08 20:51 – Updated: 2025-01-29 14:30
VLAI
Title
Contiki-NG missing NULL pointer check in IPv6 neighbor discovery
Summary
The Contiki-NG operating system versions 4.8 and prior can be triggered to dereference a NULL pointer in the message handling code for IPv6 router solicitiations. Contiki-NG contains an implementation of IPv6 Neighbor Discovery (ND) in the module `os/net/ipv6/uip-nd6.c`. The ND protocol includes a message type called Router Solicitation (RS), which is used to locate routers and update their address information via the SLLAO (Source Link-Layer Address Option). If the indicated source address changes, a given neighbor entry is set to the STALE state. The message handler does not check for RS messages with an SLLAO that indicates a link-layer address change that a neighbor entry can actually be created for the indicated address. The resulting pointer is used without a check, leading to the dereference of a NULL pointer of type `uip_ds6_nbr_t`. The problem has been patched in the `develop` branch of Contiki-NG, and will be included in the upcoming 4.9 release. As a workaround, users can apply Contiki-NG pull request #2271 to patch the problem directly.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Vendor Product Version
contiki-ng contiki-ng Affected: <= 4.8
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-31026 (GCVE-0-2023-31026)

Vulnerability from cvelistv5 – Published: 2023-11-02 18:56 – Updated: 2024-09-05 14:34
VLAI
Title
CVE
Summary
NVIDIA vGPU software for Windows and Linux contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where a NULL-pointer dereference may lead to denial of service.
Severity
6 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
nvidia vGPU driver and Cloud gaming driver Affected: All versions prior to and including 13.8, 15.3, 16.1 and all versions prior to and including September 2023 release
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-31022 (GCVE-0-2023-31022)

Vulnerability from cvelistv5 – Published: 2023-11-02 18:56 – Updated: 2025-02-27 20:35
VLAI
Title
CVE
Summary
NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability in the kernel mode layer, where a NULL-pointer dereference may lead to denial of service.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
nvidia NVIDIA GPU Display driver, vGPU driver, and Cloud gaming driver Affected: All versions prior to and including 13.8, 15.3, 16.1 and all versions prior to and including September 2023 release
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-31021 (GCVE-0-2023-31021)

Vulnerability from cvelistv5 – Published: 2023-11-02 18:56 – Updated: 2024-09-05 14:35
VLAI
Title
CVE
Summary
NVIDIA vGPU software for Windows and Linux contains a vulnerability in the Virtual GPU Manager (vGPU plugin), where a malicious user in the guest VM can cause a NULL-pointer dereference, which may lead to denial of service.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
nvidia vGPU driver and Cloud gaming driver Affected: All versions prior to and including 13.8, 15.3, 16.1 and all versions prior to and including September 2023 release
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-31018 (GCVE-0-2023-31018)

Vulnerability from cvelistv5 – Published: 2023-11-02 18:56 – Updated: 2025-02-27 20:35
VLAI
Title
CVE
Summary
NVIDIA GPU Driver for Windows and Linux contains a vulnerability in the kernel mode layer, where an unprivileged regular user can cause a NULL-pointer dereference, which may lead to denial of service.
Severity
6.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
nvidia vGPU driver and Cloud gaming driver Affected: All versions prior to and including 13.8, 15.3, 16.1 and all versions prior to and including September 2023 release
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-30756 (GCVE-0-2023-30756)

Vulnerability from cvelistv5 – Published: 2024-09-10 09:33 – Updated: 2024-09-10 15:10
VLAI
Summary
A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-7 LTE (All versions < V3.5.20), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions < V3.5.20), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions), SIMATIC IPC DiagBase (All versions), SIMATIC IPC DiagMonitor (All versions), SIMATIC WinCC Runtime Advanced (All versions), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions < V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions < V2.4.8). The web server of the affected devices do not properly handle certain errors when using the Expect HTTP request header, resulting in NULL dereference. This could allow a remote attacker with no privileges to cause a denial of service condition in the system.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
8.2 (High)
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2023-30755 (GCVE-0-2023-30755)

Vulnerability from cvelistv5 – Published: 2024-09-10 09:33 – Updated: 2024-09-10 15:10
VLAI
Summary
A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-7 LTE (All versions < V3.5.20), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions < V3.5.20), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions), SIMATIC IPC DiagBase (All versions), SIMATIC IPC DiagMonitor (All versions), SIMATIC WinCC Runtime Advanced (All versions), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions < V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions < V2.4.8). The web server of the affected devices do not properly handle the shutdown or reboot request, which could lead to the clean up of certain resources. This could allow a remote attacker with elevated privileges to cause a denial of service condition in the system.
Severity
4.4 (Medium)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
5.9 (Medium)
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-476 - NULL Pointer Dereference
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2023-29180 (GCVE-0-2023-29180)

Vulnerability from cvelistv5 – Published: 2024-02-22 09:40 – Updated: 2024-08-14 19:14
VLAI
Summary
A null pointer dereference in Fortinet FortiOS version 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.12, 6.2.0 through 6.2.14, 6.0.0 through 6.0.16, FortiProxy 7.2.0 through 7.2.3, 7.0.0 through 7.0.10, 2.0.0 through 2.0.12, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7 allows attacker to denial of service via specially crafted HTTP requests.
Severity
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:F/RL:U/RC:C
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Fortinet FortiOS Affected: 7.2.0 , ≤ 7.2.4 (semver)
Affected: 7.0.0 , ≤ 7.0.11 (semver)
Affected: 6.4.0 , ≤ 6.4.12 (semver)
Affected: 6.2.0 , ≤ 6.2.14 (semver)
Affected: 6.0.0 , ≤ 6.0.16 (semver)
Create a notification for this product.
Fortinet FortiProxy Affected: 7.2.0 , ≤ 7.2.3 (semver)
Affected: 7.0.0 , ≤ 7.0.10 (semver)
Affected: 2.0.0 , ≤ 2.0.12 (semver)
Affected: 1.2.0 , ≤ 1.2.13 (semver)
Affected: 1.1.0 , ≤ 1.1.6 (semver)
Affected: 1.0.0 , ≤ 1.0.7 (semver)
Create a notification for this product.
fortinet fortios Affected: 7.2.0 , ≤ 7.2.4 (semver)
Affected: 7.0.0 , ≤ 7.0.11 (semver)
Affected: 6.4.0 , ≤ 6.4.12 (semver)
Affected: 6.2.0 , ≤ 6.2..14 (semver)
Affected: 6.0.0 , ≤ 6.0.16 (semver)
    cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
 Create a notification for this product.
fortinet fortiproxy Affected: 7.2.0 , ≤ 7.2.3 (semver)
Affected: 7.0.0 , ≤ 7.0.10 (semver)
Affected: 2.0.0 , ≤ 2.0.12 (semver)
Affected: 1.2.0 , ≤ 1.2.13 (semver)
Affected: 1.1.0 , ≤ 1.1.6 (semver)
Affected: 1.0.0 , ≤ 1.0.7 (semver)
    cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

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    "cveId": "CVE-2023-29180",
    "datePublished": "2024-02-22T09:40:16.463Z",
    "dateReserved": "2023-04-03T08:47:30.452Z",
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CVE-2023-29179 (GCVE-0-2023-29179)

Vulnerability from cvelistv5 – Published: 2024-02-22 09:40 – Updated: 2024-08-02 14:00
VLAI
Summary
A null pointer dereference in Fortinet FortiOS version 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.12, Fortiproxy version 7.2.0 through 7.2.4, 7.0.0 through 7.0.10 allows attacker to denial of service via specially crafted HTTP requests.
Severity
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:F/RL:U/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Fortinet FortiProxy Affected: 7.2.0 , ≤ 7.2.4 (semver)
Affected: 7.0.0 , ≤ 7.0.10 (semver)
Create a notification for this product.
Fortinet FortiOS Affected: 7.2.0 , ≤ 7.2.4 (semver)
Affected: 7.0.0 , ≤ 7.0.11 (semver)
Affected: 6.4.0 , ≤ 6.4.12 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation MIT-56
Implementation

For any pointers that could have been modified or provided from a function that can return NULL, check the pointer for NULL before use. When working with a multithreaded or otherwise asynchronous environment, ensure that proper locking APIs are used to lock before the check, and unlock when it has finished [REF-1484].

Mitigation
Requirements

Select a programming language that is not susceptible to these issues.

Mitigation
Implementation

Check the results of all functions that return a value and verify that the value is non-null before acting upon it.

Mitigation
Architecture and Design

Identify all variables and data stores that receive information from external sources, and apply input validation to make sure that they are only initialized to expected values.

Mitigation
Implementation

Explicitly initialize all variables and other data stores, either during declaration or just before the first usage.

No CAPEC attack patterns related to this CWE.

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