PT-2021-12494 · Allen Bradley · Allen-Bradley Flex Io 1794-Aent/B

Published 2021-02-04 · Updated 2022-08-31 · CVE-2020-6088

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Allen-Bradley Flex IO 1794-AENT/B version 4.003

Description: An exploitable denial of service issue exists in the ENIP Request Path Network Segment functionality. 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 issue.

Recommendations: For version 4.003, consider restricting access to the ENIP Request Path Network Segment functionality until a patch is available. As a temporary workaround, avoid using the vulnerable network segment to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-6088

Affected Products

Allen-Bradley Flex Io 1794-Aent/B

References · 7

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2020-1008 · Exploit
• https://osv.dev/vulnerability/CVE-2020-6088 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-6088 · Security Note
• https://t.me/cibsecurity/23056 · Telegram Post
• https://t.me/cvenotify/9396 · Telegram Post
• https://t.me/cybersecuritytechnologies/2631 · Telegram Post
• https://t.me/cvenotify/9392 · Telegram Post