CVE-2021-36765
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In CODESYS EtherNetIP before 4.1.0.0, specific EtherNet/IP requests may cause a null pointer dereference in the downloaded vulnerable EtherNet/IP stack that is executed by the CODESYS Control runtime system.
En CODESYS EtherNetIP versiones anteriores a 4.1.0.0, específicas peticiones de EtherNet/IP pueden causar una desreferencia del puntero null en la pila de EtherNet/IP vulnerable descargada y ejecutada por el sistema de tiempo de ejecución de Control de CODESYS
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-07-16 CVE Reserved
- 2021-08-04 CVE Published
- 2024-04-19 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (1)
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| URL | Date | SRC |
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| URL | Date | SRC |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Codesys Search vendor "Codesys" | Ethernetip Search vendor "Codesys" for product "Ethernetip" | < 4.1.0.0 Search vendor "Codesys" for product "Ethernetip" and version " < 4.1.0.0" | - |
Affected
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