CVE-2018-14821

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Rockwell Automation RSLinx Classic Versions 4.00.01 and prior. This vulnerability may allow a remote, unauthenticated threat actor to intentionally send a malformed CIP packet to Port 44818, causing the RSLinx Classic application to terminate. The user will need to manually restart the software to regain functionality.

Rockwell Automation RSLinx Classic en versiones 4.00.01 y anteriores. Esta vulnerabilidad podría permitir que un actor de amenaza remoto no autenticado envíe de forma intencional un paquete CIP mal formado al puerto 44818, lo que provoca que la aplicación RSLinx Classic se termine. El usuario necesitará reiniciar manualmente el software para recuperar la funcionalidad.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-08-01 CVE Reserved
2018-09-20 CVE Published
2024-07-30 EPSS Updated
2024-09-17 CVE Updated
2024-09-17 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-122: Heap-based Buffer Overflow

CAPEC

References (2)

URL	Tag	Source
https://ics-cert.us-cert.gov/advisories/ICSA-18-263-02	Third Party Advisory

URL	Date	SRC
https://www.tenable.com/security/research/tra-2018-26	2024-09-17

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Rockwellautomation Search vendor "Rockwellautomation"		Rslinx Search vendor "Rockwellautomation" for product "Rslinx"				<= 4.00.01 Search vendor "Rockwellautomation" for product "Rslinx" and version " <= 4.00.01"		classic		Affected