CVE-2020-6084 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

An exploitable denial of service vulnerability exists in the ENIP Request Path Logical Segment functionality of Allen-Bradley Flex IO 1794-AENT/B 4.003. A specially crafted network request can cause a loss of communications with the device resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability by sending an Electronic Key Segment with less bytes than required by the Key Format Table.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Rockwellautomation	Flex I\/O 1794-Aent	4.003

Related Weaknesses (CWE)

CWE-120

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1006ExploitThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1006ExploitThird Party Advisory

FAQ

What is CVE-2020-6084?

CVE-2020-6084 is a vulnerability with a CVSS score of 7.5 (HIGH). An exploitable denial of service vulnerability exists in the ENIP Request Path Logical Segment functionality of Allen-Bradley Flex IO 1794-AENT/B 4.003. A specially crafted network request can cause a...

How severe is CVE-2020-6084?

CVE-2020-6084 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-6084?

Check the references section above for vendor advisories and patch information. Affected products include: Rockwellautomation Flex I\/O 1794-Aent.