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CVE-2022-2003 is an information disclosure vulnerability in AutomationDirect DirectLOGIC D0-06 series PLC CPUs. A specifically crafted message sent to the CPU serial interface can cause the device firmware to return the configured PLC password in cleartext rather than protecting it through proper authentication and secure handling. Affected models include multiple DirectLOGIC D0-06 series CPUs with firmware versions prior to 2.72. Research also showed the password-retrieval behavior could be recreated beyond the original serial-only tooling, including adaptation over Ethernet in testing. The flaw enables recovery of the PLC password without legitimately knowing it, after which the attacker can use the disclosed credential to access the controller and alter its configuration or logic.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in AutomationDirect DirectLOGIC PLCs exploited by a PLC password-recovery tool; the tool also drops malware that enrolls hosts into the Sality botnet.
A firmware vulnerability in Automation Direct DirectLogic 06 PLCs that allows retrieval of the PLC password on command, originally observed over a serial connection and reproducible over Ethernet, increasing severity.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.