Vulnerability Monitor

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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.

Security Impact Summary

CVE-2011-4447 is a security vulnerability that . Impacting 2 products from bitcoin, from bitcoin organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2012, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2012-08-06T16:55:01.227

Last Modified

2026-04-29T01:13:23.040

Status

Modified

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-310

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	bitcoin	bitcoin_core	0.4.0	Yes
Application	bitcoin	bitcoin_core	0.4.1	Yes
Application	bitcoin	bitcoin_core	0.5.0	Yes
Application	bitcoin	wxbitcoin	0.4.0	Yes
Application	bitcoin	wxbitcoin	0.4.1	Yes
Application	bitcoin	wxbitcoin	0.5.0	Yes

References

http://bitcoin.org/releases/2011/11/21/v0.5.0.html ([email protected])
https://bitcointalk.org/index.php?topic=51474.0 ([email protected])
https://bitcointalk.org/index.php?topic=51604.0 ([email protected])
https://en.bitcoin.it/wiki/CVEs Vendor Advisory ([email protected])
http://bitcoin.org/releases/2011/11/21/v0.5.0.html (af854a3a-2127-422b-91ae-364da2661108)
https://bitcointalk.org/index.php?topic=51474.0 (af854a3a-2127-422b-91ae-364da2661108)
https://bitcointalk.org/index.php?topic=51604.0 (af854a3a-2127-422b-91ae-364da2661108)
https://en.bitcoin.it/wiki/CVEs Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For bitcoin's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.