CVE-2019-15947
HIGHCVSS 7.5/10EPSS 1.39%
Last modified
CVE-2019-15947 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Bitcoin Core 0.18.0, bitcoin-qt stores wallet.dat data unencrypted in memory. Upon a crash, it may dump a core file. EPSS estimates a 1.39% chance of exploitation in the next 30 days.
Description
In Bitcoin Core 0.18.0, bitcoin-qt stores wallet.dat data unencrypted in memory. Upon a crash, it may dump a core file. If a user were to mishandle a core file, an attacker can reconstruct the user's wallet.dat file, including their private keys, via a grep "6231 0500" command.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bitcoin | Bitcoin Core | 0.18.0 |
References
- https://gist.github.com/oxagast/50a121b2df32186e0c48411859d5861bThird Party Advisory
- https://github.com/bitcoin/bitcoin/issues/16824Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202009-18Third Party Advisory
- https://gist.github.com/oxagast/50a121b2df32186e0c48411859d5861bThird Party Advisory
- https://github.com/bitcoin/bitcoin/issues/16824Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202009-18Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-15947?
In Bitcoin Core 0.18.0, bitcoin-qt stores wallet.dat data unencrypted in memory. Upon a crash, it may dump a core file. If a user were to mishandle a core file, an attacker can reconstruct the user's wallet.dat file, including their private keys, via a grep "6231 0500" command.
How severe is CVE-2019-15947?
CVE-2019-15947 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.39% probability of exploitation in the next 30 days.
How do I fix CVE-2019-15947?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-15947?
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Scan your code nowSource: NVD / NIST