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CVE-2021-32926

7.5 HIGH

When an authenticated password change request takes place, this vulnerability could allow the attacker to intercept the message that incl...

Published: 2021-06-03 · Last updated: 2026-06-04

Severity and scoring

CVSS
7.5 HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
CWE-300

Affected products

VendorProduct
rockwellautomationmicro800_firmware, micrologix_1400_firmware

Description

When an authenticated password change request takes place, this vulnerability could allow the attacker to intercept the message that includes the legitimate, new password hash and replace it with an illegitimate hash. The user would no longer be able to authenticate to the controller (Micro800: All versions, MicroLogix 1400: Version 21 and later) causing a denial-of-service condition

Source: NVD

References

Related CVEs

Same vendor

  • CVE-2021-33012 Rockwell Automation MicroLogix 1100, all versions, allows a remote, unauthenticated attacker sending specially crafted commands to cause ... (8.6 HIGH)
  • CVE-2021-22659 Rockwell Automation MicroLogix 1400 Version 21.6 and below may allow a remote unauthenticated attacker to send a specially crafted Modbus... (8.6 HIGH)
  • CVE-2020-6990 Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versi... (9.8 CRITICAL)
  • CVE-2020-6988 Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versi... (7.5 HIGH)
  • CVE-2020-6984 Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versi... (7.5 HIGH)

Same CWE

  • CVE-2009-3555 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft Internet Information Services (IIS) 7.0, mod_ssl in... (9.8 CRITICAL)