CVE-2021-32926 (GCVE-0-2021-32926)
Vulnerability from cvelistv5 – Published: 2021-06-03 12:35 – Updated: 2026-06-04 13:01
VLAI
EPSS
VEX
Summary
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
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-04 13:01 UTC
CWE
- CWE-300 - CHANNEL ACCESSIBLE BY NON-ENDPOINT CWE-300
Assigner
icscert
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://us-cert.cisa.gov/ics/advisories/icsa-21-145-02 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Micro800, MicroLogix 1400 |
Affected:
Micro800: All versions, MicroLogix 1400: Version 21 and later when Enhanced Password Security enabled.
|
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Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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