PT-2021-9462 · Pepperl+Fuchs · Pepperl+Fuchs Comtrol Io-Link Master

T.Weber · Published 2021-01-22 · Updated 2021-01-28 · CVE-2020-12514

Positive Technologies (AI Summary)

CVSS v3.1

6.6

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Pepperl+Fuchs Comtrol IO-Link Master versions 1.5.48 and below

Description The issue is related to a NULL Pointer Dereference that can cause a Denial of Service (DoS) in the discoveryd component.

Recommendations For versions 1.5.48 and below, consider disabling the discoveryd component as a temporary workaround until a patch is available.

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2020-12514

Affected Products

Pepperl+Fuchs Comtrol Io-Link Master

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2020-12514 · Security Note
• https://osv.dev/vulnerability/CVE-2020-12514 · Vendor Advisory
• https://cert.vde.com/en-us/advisories/vde-2020-038 · Note
• https://t.me/cibsecurity/22534 · Telegram Post