CVE•Published 2021-06-03•Modified 2026-06-04•0 articles on news•7 live references•NVD data
CVE-2021-32926Rockwellautomation · Micro800_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS percentile
32
Exploit Prediction Scoring System · top 68% of all CVEs
Weaknesses (CWE)
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
Timeline
Published 2021-06-03
Modified 2026-06-04
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2021-32926Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Micro800 Firmware"Hosts Shodan identified as running Micro800 Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2021-32926Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-32926Censys host search filtered to this CVE id.
grep.app
CVE-2021-32926Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-32926GitHub code search for direct mentions.
Google dork
"CVE-2021-32926" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2021-32926 on GitHub.
We haven't classified any articles referencing CVE-2021-32926 yet. The external references above still apply.