VULNERABILITY INTELLIGENCE
CVE-2013-2272
CVSS score5 MEDIUM
EPSS probability1.89%
CISA KEVNot currently listed
Published2013-03-12
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:P/I:N/A:N
Description
The penny-flooding protection mechanism in the CTxMemPool::accept method in bitcoind and Bitcoin-Qt before 0.4.9rc1, 0.5.x before 0.5.8rc1, 0.6.0 before 0.6.0.11rc1, 0.6.1 through 0.6.5 before 0.6.5rc1, and 0.7.x before 0.7.3rc1 allows remote attackers to determine associations between wallet addresses and IP addresses via a series of large Bitcoin transactions with insufficient fees.
Weakness classification
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor