CVE-2020-24685

An unauthenticated specially crafted packet sent by an attacker over the network will cause a denial-of-service (DoS) vulnerability. Vulnerability allows attacker to stop the PLC. After stopping (ERR LED flashing red), physical access to the PLC is required in order to restart the application. This issue affects: ABB AC500 V2 products with onboard Ethernet version 2.8.4 and prior versions.

CVSS v3 8.6 HIGH
CVSS v2.0 5.0 MEDIUM

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://search.abb.com/library/Download.aspx?DocumentID=3ADR010667&LanguageCode=en&DocumentPartId=&Action=Launch	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:abb:ac500_cpu_firmware:*:*:*:*:*:*:*:*

OR	cpe:2.3:h:abb:pm573-eth:2.0:::::::*
	cpe:2.3:h:abb:pm583-eth:2.0:::::::*

History

16 Feb 2021, 16:09

Type	Values Removed	Values Added
CPE		cpe:2.3:o:abb:ac500_cpu_firmware:::::::: cpe:2.3:h:abb:pm583-eth:2.0:::::::* cpe:2.3:h:abb:pm573-eth:2.0:::::::*
References	~~(CONFIRM) https://search.abb.com/library/Download.aspx?DocumentID=3ADR010667&LanguageCode=en&DocumentPartId=&Action=Launch -~~	(CONFIRM) https://search.abb.com/library/Download.aspx?DocumentID=3ADR010667&LanguageCode=en&DocumentPartId=&Action=Launch - Patch, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 5.0 v3 : 8.6
CWE		CWE-770

09 Feb 2021, 04:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-02-09 04:15

Updated : 2023-12-10 13:41

NVD link : CVE-2020-24685

Mitre link : CVE-2020-24685

CVE.ORG link : CVE-2020-24685

JSON object : View

Products Affected

abb

pm573-eth
pm583-eth
ac500_cpu_firmware

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

CWE-789

Memory Allocation with Excessive Size Value

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