Common Weakness Enumeration
CWE-476
AllowedNULL Pointer Dereference
Abstraction: Base · Status: Stable
The product dereferences a pointer that it expects to be valid but is NULL.
6310 vulnerabilities reference this CWE, most recent first.
CVE-2020-13574 (GCVE-0-2020-13574)
Vulnerability from cvelistv5 – Published: 2021-02-10 00:00 – Updated: 2024-08-04 12:25
VLAI
EPSS
VEX
Summary
A denial-of-service vulnerability exists in the WS-Security plugin functionality of Genivia gSOAP 2.8.107. A specially crafted SOAP request can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.
Severity
7.5 (High)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisory |
| https://lists.debian.org/debian-lts-announce/2024… | mailing-list |
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CVE-2020-12514 (GCVE-0-2020-12514)
Vulnerability from cvelistv5 – Published: 2021-01-22 19:01 – Updated: 2024-09-16 19:40
VLAI
EPSS
VEX
Title
Pepper+Fuchs Comtrol IO-Link Master NULL Pointer Dereference
Summary
Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to a NULL Pointer Dereference that leads to a DoS in discoveryd
Severity
6.6 (Medium)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2020-038 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Pepper+Fuchs | Comtrol IO-Link Master |
Affected:
unspecified , ≤ 1.5.48
(custom)
|
Date Public
2021-01-04 00:00
Credits
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CVE-2020-10739 (GCVE-0-2020-10739)
Vulnerability from cvelistv5 – Published: 2020-06-02 12:22 – Updated: 2024-08-04 11:14
VLAI
EPSS
VEX
Summary
Istio 1.4.x before 1.4.9 and Istio 1.5.x before 1.5.4 contain the following vulnerability when telemetry v2 is enabled: by sending a specially crafted packet, an attacker could trigger a Null Pointer Exception resulting in a Denial of Service. This could be sent to the ingress gateway or a sidecar, triggering a null pointer exception which results in a denial of service. This also affects servicemesh-proxy where a null pointer exception flaw was found in servicemesh-proxy. When running Telemetry v2 (not on by default in version 1.4.x), an attacker could send a specially crafted packet to the ingress gateway or proxy sidecar, triggering a denial of service.
Severity
7.5 (High)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://istio.io/news/security/istio-security-2020-005/ | x_refsource_CONFIRM |
| https://github.com/istio/envoy/commit/8788a3cf255… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| istio.io | istio/envoy |
Affected:
>= 1.4.0, < 1.4.9
Affected: >= 1.5.0, < 1.5.4 |
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CVE-2020-10711 (GCVE-0-2020-10711)
Vulnerability from cvelistv5 – Published: 2020-05-22 14:09 – Updated: 2024-08-04 11:14
VLAI
EPSS
VEX
Summary
A NULL pointer dereference flaw was found in the Linux kernel's SELinux subsystem in versions before 5.7. This flaw occurs while importing the Commercial IP Security Option (CIPSO) protocol's category bitmap into the SELinux extensible bitmap via the' ebitmap_netlbl_import' routine. While processing the CIPSO restricted bitmap tag in the 'cipso_v4_parsetag_rbm' routine, it sets the security attribute to indicate that the category bitmap is present, even if it has not been allocated. This issue leads to a NULL pointer dereference issue while importing the same category bitmap into SELinux. This flaw allows a remote network user to crash the system kernel, resulting in a denial of service.
Severity
5.9 (Medium)
CWE
Assigner
References
13 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://www.openwall.com/lists/oss-security/2020/… | x_refsource_CONFIRM |
| https://security.netapp.com/advisory/ntap-2020060… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2020… | mailing-listx_refsource_MLIST |
| https://www.debian.org/security/2020/dsa-4698 | vendor-advisoryx_refsource_DEBIAN |
| https://www.debian.org/security/2020/dsa-4699 | vendor-advisoryx_refsource_DEBIAN |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://usn.ubuntu.com/4413-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4411-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4412-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4419-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/4414-1/ | vendor-advisoryx_refsource_UBUNTU |
Impacted products
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CVE-2020-10703 (GCVE-0-2020-10703)
Vulnerability from cvelistv5 – Published: 2020-06-02 00:00 – Updated: 2024-08-04 11:06
VLAI
EPSS
VEX
Summary
A NULL pointer dereference was found in the libvirt API responsible introduced in upstream version 3.10.0, and fixed in libvirt 6.0.0, for fetching a storage pool based on its target path. In more detail, this flaw affects storage pools created without a target path such as network-based pools like gluster and RBD. Unprivileged users with a read-only connection could abuse this flaw to crash the libvirt daemon, resulting in a potential denial of service.
Severity
6.5 (Medium)
CWE
Assigner
References
8 references
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CVE-2020-10602 (GCVE-0-2020-10602)
Vulnerability from cvelistv5 – Published: 2020-07-24 22:58 – Updated: 2024-08-04 11:06
VLAI
EPSS
VEX
Summary
In OSIsoft PI System multiple products and versions, an authenticated remote attacker could crash PI Network Manager due to a race condition. This can result in blocking connections and queries to PI Data Archive.
Severity
No CVSS data available.
CWE
- CWE-476 - NULL POINTER DEREFERENCE CWE-476
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-20-133-02 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | OSIsoft PI System multiple products and versions |
Affected:
OSIsoft PI System multiple products and versions
|
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CVE-2020-10600 (GCVE-0-2020-10600)
Vulnerability from cvelistv5 – Published: 2020-07-24 23:01 – Updated: 2024-09-16 19:20
VLAI
EPSS
VEX
Title
OSIsoft PI System
Summary
An authenticated remote attacker could crash PI Archive Subsystem when the subsystem is working under memory pressure. This can result in blocking queries to PI Data Archive (2018 SP2 and prior versions).
Severity
5.9 (Medium)
CWE
- CWE-476 - NULL POINTER DEREFERENCE CWE-476
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-20-133-02 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OSIsoft | PI Data Archive |
Affected:
unspecified , < 2018 SP2
(custom)
|
Date Public
2020-06-09 00:00
Credits
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CVE-2020-10066 (GCVE-0-2020-10066)
Vulnerability from cvelistv5 – Published: 2021-05-24 21:40 – Updated: 2024-09-17 01:41
VLAI
EPSS
VEX
Title
Incorrect Error Handling in Bluetooth HCI core
Summary
Incorrect Error Handling in Bluetooth HCI core. Zephyr versions >= v1.14.2, >= v2.2.0 contain NULL Pointer Dereference (CWE-476). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gc66-xfrc-24qr
Severity
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| http://github.com/zephyrproject-rtos/zephyr/secur… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zephyrproject-rtos | zephyr |
Affected:
v1.14.2 , < unspecified
(custom)
Affected: v2.2.0 , < unspecified (custom) |
Date Public
2020-06-29 00:00
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CVE-2020-9746 (GCVE-0-2020-9746)
Vulnerability from cvelistv5 – Published: 2020-10-14 13:17 – Updated: 2025-04-23 19:47
VLAI
EPSS
VEX
Title
Exploitable NULL pointer deref could lead to arbitrary code execution
Summary
Adobe Flash Player version 32.0.0.433 (and earlier) are affected by an exploitable NULL pointer dereference vulnerability that could result in a crash and arbitrary code execution. Exploitation of this issue requires an attacker to insert malicious strings in an HTTP response that is by default delivered over TLS/SSL.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference (CWE-476)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/flash-p… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Flash Player |
Affected:
unspecified , ≤ 32.0.0.387
(custom)
Affected: unspecified , ≤ 32.0.0.433 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2020-10-13 00:00
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CVE-2020-9085 (GCVE-0-2020-9085)
Vulnerability from cvelistv5 – Published: 2024-12-27 09:37 – Updated: 2024-12-27 16:06
VLAI
EPSS
VEX
Summary
There is a NULL pointer dereference vulnerability in some Huawei products. An attacker may send specially crafted POST messages to the affected products. Due to insufficient validation of some parameter in the message, successful exploit may cause some process abnormal. (Vulnerability ID: HWPSIRT-2017-10105)
This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9085.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Huawei | HUAWEI 4G Router B612 |
Affected:
B612s-25dTCPU-V100R001B192D03SP00C234
Affected: B612s-25dTCPU-V100R001B192D03SP00C287 Affected: B612s-25dTCPU-V100R001B192D05SP00C00 |
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"scope": "UNCHANGED",
"userInteraction": "NONE",
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"cveId": "CVE-2020-9085",
"datePublished": "2024-12-27T09:37:46.838Z",
"dateReserved": "2020-02-18T00:00:00.000Z",
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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.