CVE-2021-22681
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Rockwell Automation Studio 5000 Logix Designer Versions 21 and later, and RSLogix 5000 Versions 16 through 20 use a key to verify Logix controllers are communicating with Rockwell Automation CompactLogix 1768, 1769, 5370, 5380, 5480: ControlLogix 5550, 5560, 5570, 5580; DriveLogix 5560, 5730, 1794-L34; Compact GuardLogix 5370, 5380; GuardLogix 5570, 5580; SoftLogix 5800. Rockwell Automation Studio 5000 Logix Designer Versions 21 and later and RSLogix 5000: Versions 16 through 20 are vulnerable because an unauthenticated attacker could bypass this verification mechanism and authenticate with Rockwell Automation CompactLogix 1768, 1769, 5370, 5380, 5480: ControlLogix 5550, 5560, 5570, 5580; DriveLogix 5560, 5730, 1794-L34; Compact GuardLogix 5370, 5380; GuardLogix 5570, 5580; SoftLogix 5800.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Rockwell Automation Studio 5000 Logix Designer, RSLogix 5000, Logix Controllers
- Vendor
- n/a
- Product
- Rockwell Automation Studio 5000 Logix Designer, RSLogix 5000, Logix Controllers
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| RSLogix 5000 Versions 16 through 20 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Studio 5000 Logix Designer: Versions 21 and later | affected | Unavailable | Unavailable | Unavailable | None listed |
| CompactLogix 1768, 1769, 5370, 5380, 5480 | affected | Unavailable | Unavailable | Unavailable | None listed |
| ControlLogix 5550, 5560, 5570, 5580 | affected | Unavailable | Unavailable | Unavailable | None listed |
| DriveLogix 5560, 5730, 1794-L34 | affected | Unavailable | Unavailable | Unavailable | None listed |
| Compact GuardLogix 5370, 5380 | affected | Unavailable | Unavailable | Unavailable | None listed |
| GuardLogix 5570, 5580 | affected | Unavailable | Unavailable | Unavailable | None listed |
| SoftLogix 5800 | affected | Unavailable | Unavailable | Unavailable | None listed |