CVE-2018-1000851

Copay Bitcoin Wallet version 5.01 to 5.1.0 included. contains a Other/Unknown vulnerability in...

9.8 Critical

Copay Bitcoin Wallet version 5.01 to 5.1.0 included. contains a Other/Unknown vulnerability in wallet private key storage that can result in Users' private key can be compromised. . This attack appear to be exploitable via Affected version run the malicious code at startup . This vulnerability appears to have been fixed in 5.2.0 and later .

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.51%Up 1.5 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2018-1000851
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-522
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-1000851
Updated: 2026-11-02

EUVDEUVD-2018-2038 No score

Record: EUVD-2018-2038
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xq8h-vhf6-2hhq 9.8

Copay Bitcoin Wallet version 5.01 to 5.1.0 included. contains a Other/Unknown vulnerability in...

Record: GHSA-xq8h-vhf6-2hhq
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-522
Updated: 2026-11-02

Affected products

copay bitcoin wallet

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-1000851 is a critical vulnerability (CVSS 9.8) in Copay Bitcoin Wallet, published December 20, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.51%, the 84th percentile. No source names a fixed version.