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CVE-2023-4699 is a missing authentication vulnerability affecting multiple Mitsubishi Electric industrial controller product lines, including MELSEC-F, MELSEC iQ-F, MELSEC iQ-R, MELSEC iQ-L, MELSEC Q, MELSEC-L series, and several Mitsubishi Electric CNC series. The vulnerability allows a remote, unauthenticated attacker to execute arbitrary commands on the affected devices by sending specially crafted packets. This is due to the lack of authentication checks for critical functions exposed by the devices, enabling attackers to interact with sensitive device operations without credentials.
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What an attacker gets, and what they’ve been doing with it.
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No public exploits tracked yet. Mallory keeps watching.
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.
1 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.