How severe is CVE-2019-15947?

CVE-2019-15947 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-15947 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15947?

CVE-2019-15947 affects Bitcoin Bitcoin Core. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15947?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-15947 published?

CVE-2019-15947 was published on 2019-09-05 and last updated on 2026-06-17.

CVE-2019-15947

CVE-2019-15947 is a high-severity vulnerability in Bitcoin Bitcoin Core with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Bitcoin Bitcoin Core
Published: 2019-09-05
Last modified: 2026-06-17

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.

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 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-15947 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15947?: CVE-2019-15947 affects Bitcoin Bitcoin Core. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15947?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-15947 published?: CVE-2019-15947 was published on 2019-09-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bitcoin:bitcoin_core:0.18.0:*:*:*:*:*:*:*

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