PT-2021-14315 · Hilscher · Hilscher Profinet Io Device

Published 2021-02-16 · Updated 2022-04-26 · CVE-2021-20986

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: Hilscher PROFINET IO Device V3 versions prior to V3.14.0.7

Description: A Denial of Service issue was found in the affected software. This may lead to unexpected loss of cyclic communication or interruption of acyclic communication.

Recommendations: For versions prior to V3.14.0.7, update to version V3.14.0.7 or later to resolve the issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-20986

Affected Products

Hilscher Profinet Io Device

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-20986 · Security Note
• https://kb.hilscher.com/display/ISMS/2020-12-03+Denial+of+Service+vulnerability+in+PROFINET+IO+Device · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-20986 · Vendor Advisory
• https://cert.vde.com/en-us/advisories/vde-2021-006 · Note
• https://t.me/cibsecurity/23660 · Telegram Post