High

Remote Code Execution in ABB FLXeon Improper Input Validation

IdentifiersCVE-2024-48851CWE-1287· Improper Validation of Specified…

CVE-2024-48851 is an improper input validation vulnerability in ABB FLXeon controllers. According to the provided content, the flaw affects FLXeon firmware version 9.3.5 and earlier and is described as an 'Improper Validation of Specified Type of Input' issue. ABB indicates that remote code execution is possible due to this improper validation. The available information does not identify the specific vulnerable function, protocol handler, or processing routine, but it establishes that attacker-controlled input is not sufficiently validated before being processed, creating a path to arbitrary code execution on the target device.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can allow a remote attacker to execute arbitrary code on the affected ABB FLXeon device. The supporting content further indicates that exploitation of the FLXeon vulnerabilities could allow an attacker to take remote control of the product and potentially crash the device, resulting in both compromise of device integrity and possible loss of availability.

Mitigation

If you can’t patch tonight, do this now.

ABB recommends stopping and disconnecting FLXeon products that are directly exposed to the Internet, including exposure through NAT port forwarding. Use secure remote access methods and ensure any VPN used for access is fully updated and securely configured. More generally, restrict network exposure of affected controllers until patched.

Remediation

Patch, then assume compromise.

Upgrade affected ABB FLXeon products to the latest firmware version. The provided content states that FLXeon versions 9.3.5 and earlier are affected and that ABB recommends upgrading all FLXeon products to the latest firmware.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

ACTIVITY FEED

Recent activity

4 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.

4 SOURCESView more in app

No news coverage yet. Advisories and community discussion only.

What this page doesn’t show

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity3