Is CVE-2010-5140 actively exploited?

No active exploitation of CVE-2010-5140 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2010-5140 be exploited remotely?

Yes. CVE-2010-5140 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2010-5140?

CVE-2010-5140 has a CVSS score of 5.0 (MEDIUM).

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MEDIUM

CVE-2010-5140

CWE-119Published: August 6, 2012· Updated: Jun 16, 2026

5.0

CVSS v3.1

Official Description

wxBitcoin and bitcoind before 0.3.13 do not properly handle bitcoins associated with Bitcoin transactions that have zero confirmations, which allows remote attackers to cause a denial of service (invalid-transaction flood) by sending low-valued transactions without transaction fees.

NVD Source

Technical Analysis

CVE-2010-5140 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.