CVE-2017-14451

CRITICAL

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 subseq...

Affects 1 product across 1 vendor.

CVSS 3.110.0
EPSS2.6%
Percentile85th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, can impact systems beyond the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-125: Out-of-Bounds Read

Software reads data past the boundary of an allocated buffer, leaking sensitive information or causing crashes.

Related Attack Patterns (CAPEC)
CAPEC-540 Overread Buffers
via CWE-125

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

An out-of-bounds read vulnerability in libevm of CPP-Ethereum can lead to remote code execution via a malicious smart contract.

BSID: BS-2020-GLOBAL-116047-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2017-14451?
An out-of-bounds read vulnerability in libevm of CPP-Ethereum can lead to remote code execution via a malicious smart contract.
What is the CVSS score for CVE-2017-14451?
CVE-2017-14451 has CVSS 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H. EPSS: 2.6%.
Is CVE-2017-14451 actively exploited?
No confirmed active exploitation of CVE-2017-14451 as of 2026-09-25.
How do I remediate CVE-2017-14451?
Priority: IMMEDIATE.
What systems are affected by CVE-2017-14451?
CVE-2017-14451 affects Ethereum Ethereum.
Vulnerability Details
CVE IDCVE-2017-14451
BSIDBS-2020-GLOBAL-116047-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published2020-12-02
Last Modified2026-06-17
ICS Relevance15%
Weakness (CWE)
SourceNVD
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.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

A specially crafted smart contract can exploit an out-of-bounds read in libevm, potentially leading to an out-of-bounds write and remote code execution.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Ethereum Ethereum No version listed by source
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 2143 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash55fb72e91e17290e08487c5243417c7e4229a7afce8e5b0a57f23581b50a22956204e2f55fe38955706cde9149d828db6c38aacc829192c201f192fb67e97567
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