CVEvulnerability

CVE-2021-32986

9.8 CRITICAL Published 2022-04-04 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-04-04
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-288, CWE-863

Description

After Automation Direct CLICK PLC CPU Modules: C0-1x CPUs with firmware prior to v3.00 is unlocked by an authorized user, the unlocked state does not timeout. If the programming software is interrupted, the PLC remains unlocked. All subsequent programming connections are allowed without authorization. The PLC is only relocked by a power cycle, or when the programming software disconnects correctly.

Affected configurations

• automationdirect c0-10dd1e-d firmware (< 3.00) • automationdirect c0-10dd2e-d firmware (< 3.00) • automationdirect c0-10dre-d firmware (< 3.00) • automationdirect c0-10are-d firmware (< 3.00) • automationdirect c0-11dd1e-d firmware (< 3.00) • automationdirect c0-11dd2e-d firmware (< 3.00) • automationdirect c0-11dre-d firmware (< 3.00) • automationdirect c0-11are-d firmware (< 3.00) • automationdirect c0-12dd1e-d firmware (< 3.00) • automationdirect c0-12dd2e-d firmware (< 3.00) • automationdirect c0-12dre-d firmware (< 3.00) • automationdirect c0-12are-d firmware (< 3.00) • automationdirect c0-12dd1e-1-d firmware (< 3.00) • automationdirect c0-12dd2e-1-d firmware (< 3.00) • automationdirect c0-12dre-1-d firmware (< 3.00) • automationdirect c0-12are-1-d firmware (< 3.00) • automationdirect c0-12dd1e-2-d firmware (< 3.00) • automationdirect c0-12dd2e-2-d firmware (< 3.00) • automationdirect c0-12dre-2-d firmware (< 3.00) • automationdirect c0-12are-2-d firmware (< 3.00)

Related

Weakness · CWE (2)

  • CWE-288 Authentication Bypass Using an Alternate Path or Channel weakness
  • CWE-863 Incorrect Authorization weakness

References