CVE-2017-14451

Name: CVE-2017-14451
Creator: NVD / NIST
Published: 2020-12-02T18:15:12.04+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 10/10EPSS 2.54%

Last modified Jun 17, 2026

CVE-2017-14451 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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. EPSS estimates a 2.54% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

10/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

2.54%

82.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Ethereum	Ethereum	All versions

References

https://talosintelligence.com/vulnerability_reports/TALOS-2017-0500Exploit, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2017-0500Exploit, Third Party Advisory

Timeline

Published: Dec 2, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-14451?

How severe is CVE-2017-14451?

CVE-2017-14451 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 2.54% probability of exploitation in the next 30 days.

How do I fix CVE-2017-14451?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-14451?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST