Is CVE-2017-14451 actively exploited?

No active exploitation of CVE-2017-14451 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-14451 be exploited remotely?

Yes. CVE-2017-14451 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-14451?

CVE-2017-14451 has a CVSS score of 10.0 (CRITICAL).

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CRITICAL

CVE-2017-14451

CWE-125Published: December 2, 2020· Updated: Jun 17, 2026

10.0

CVSS v3.1

Official Description

An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A specially crafted smart contract code can cause an out-of-bounds read which can subsequently trigger an out-of-bounds write resulting in remote code execution. An attacker can create/send malicious smart contract to trigger this vulnerability.

NVD Source

Technical Analysis

CVE-2017-14451 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 10.0.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.