How severe is CVE-2013-2272?

CVE-2013-2272 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-2272 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2272?

CVE-2013-2272 primarily affects Bitcoin Bitcoin-qt. In total, 54 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-2272?

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

When was CVE-2013-2272 published?

CVE-2013-2272 was published on 2013-03-12 and last updated on 2026-06-16.

CVE-2013-2272

CVE-2013-2272 is a medium-severity vulnerability in Bitcoin Bitcoin-qt with a CVSS 2.0 base score of 5.0. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Bitcoin Bitcoin-qt
Published: 2013-03-12
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2013-2272?: 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.
How severe is CVE-2013-2272?: CVE-2013-2272 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-2272 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2272?: CVE-2013-2272 primarily affects Bitcoin Bitcoin-qt. In total, 54 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-2272?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-2272 published?: CVE-2013-2272 was published on 2013-03-12 and last updated on 2026-06-16.

References

Affected products (54)

cpe:2.3:a:bitcoin:bitcoin-qt:*:rc4:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin-qt:0.4:rc4:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin-qt:0.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin-qt:0.5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin-qt:0.5.1:rc1:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin-qt:0.5.3.0:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin-qt:0.5.7:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin-qt:0.6.0.10:rc4:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin-qt:0.6.3:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin-qt:0.7.0:rc1:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin-qt:0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin-qt:0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:*:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.4:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.5:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.8:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.10:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.11:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.3.12:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.1:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.1:rc6:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.3:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.4:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.4:rc2:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.5:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.6:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.4.7:rc2:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.0:rc:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.3:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.3.1:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.4:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.5:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.5.6:rc2:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.3:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.4:*:*:*:*:*:*:*
cpe:2.3:a:bitcoin:bitcoin_core:0.6.0.5:*:*:*:*:*:*:*

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