Is CVE-2010-5140 being actively exploited?

CVE-2010-5140 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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

CVE-2010-5140 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2010-5140

MEDIUM · CVSS 5.0EPSS 2.3%EU EUVD

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.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-119
EPSS score: 2.3% (84th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-5100)
Published: August 6, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-5100 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.

View on the EU Vulnerability Database

Affected products

bitcoin / bitcoin core
bitcoin / bitcoin core
bitcoin / bitcoin core
bitcoin / bitcoin core
bitcoin / bitcoin core
bitcoin / bitcoin core
bitcoin / wxbitcoin
bitcoin / wxbitcoin
bitcoin / wxbitcoin
bitcoin / wxbitcoin
bitcoin / wxbitcoin
bitcoin / wxbitcoin

References

http://www.bitcoin.org/smf/index.php?topic=1306.0
https://en.bitcoin.it/wiki/CVEs(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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