CVE-2012-2459

Bitcoin Core vulnerability

CVSS

5.0

EPSS

3.1%

EPSS pct

86th

Exploited

No known

Unspecified vulnerability in bitcoind and Bitcoin-Qt before 0.4.6, 0.5.x before 0.5.5, 0.6.0.x before 0.6.0.7, and 0.6.x before 0.6.2 allows remote attackers to cause a denial of service (block-processing outage and incorrect block count) via unknown behavior on a Bitcoin network.

Affected vendor

Bitcoin

Affected product

Bitcoin Core

CVSS vector

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

Published

2012-08-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 3.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 86% of all scored CVEs.

Check your external exposure to CVE-2012-2459

Confirm whether Bitcoin Bitcoin Core is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2012-2459.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2012-2459

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2012-2459 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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