How severe is CVE-2011-4447?

CVE-2011-4447 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-4447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4447?

CVE-2011-4447 primarily affects Bitcoin Bitcoin Core. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4447?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-4447 published?

CVE-2011-4447 was published on 2012-08-06 and last updated on 2026-06-16.

CVE-2011-4447

CVE-2011-4447 is a medium-severity vulnerability in Bitcoin Bitcoin Core with a CVSS 2.0 base score of 4.3. 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Bitcoin Bitcoin Core
Published: 2012-08-06
Last modified: 2026-06-16

Description

The "encrypt wallet" feature in wxBitcoin and bitcoind 0.4.x before 0.4.1, and 0.5.0rc, does not properly interact with the deletion functionality of BSDDB, which allows context-dependent attackers to obtain unencrypted private keys from Bitcoin wallet files by bypassing the BSDDB interface and reading entries that are marked for deletion.

Frequently asked questions

What is CVE-2011-4447?: The "encrypt wallet" feature in wxBitcoin and bitcoind 0.4.x before 0.4.1, and 0.5.0rc, does not properly interact with the deletion functionality of BSDDB, which allows context-dependent attackers to obtain unencrypted private keys from Bitcoin wallet files by bypassing the BSDDB interface and reading entries that are marked for deletion.
How severe is CVE-2011-4447?: CVE-2011-4447 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-4447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4447?: CVE-2011-4447 primarily affects Bitcoin Bitcoin Core. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4447 published?: CVE-2011-4447 was published on 2012-08-06 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:bitcoin:bitcoin_core:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.1:rc6:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.0:rc:*:*:*:*:*:*
cpe:2.3:a:bitcoin:wxbitcoin:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:wxbitcoin:0.4.1:rc6:*:*:*:*:*:*
cpe:2.3:a:bitcoin:wxbitcoin:0.5.0:rc:*:*:*:*:*:*

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