How severe is CVE-2014-4502?

CVE-2014-4502 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2014-4502 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-4502?

CVE-2014-4502 primarily affects Bfgminer. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-4502?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2014-4502 published?

CVE-2014-4502 was published on 2014-07-23 and last updated on 2026-06-17.

CVE-2014-4502

CVE-2014-4502 is a critical-severity vulnerability in Bfgminer with a CVSS 2.0 base score of 10.0. 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-119.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Bfgminer
Published: 2014-07-23
Last modified: 2026-06-17

Description

Multiple heap-based buffer overflows in the parse_notify function in sgminer before 4.2.2, cgminer before 4.3.5, and BFGMiner before 4.1.0 allow remote pool servers to have unspecified impact via a (1) large or (2) negative value in the Extranonc2_size parameter in a mining.subscribe response and a crafted mining.notify request.

Frequently asked questions

What is CVE-2014-4502?: Multiple heap-based buffer overflows in the parse_notify function in sgminer before 4.2.2, cgminer before 4.3.5, and BFGMiner before 4.1.0 allow remote pool servers to have unspecified impact via a (1) large or (2) negative value in the Extranonc2_size parameter in a mining.subscribe response and a crafted mining.notify request.
How severe is CVE-2014-4502?: CVE-2014-4502 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2014-4502 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-4502?: CVE-2014-4502 primarily affects Bfgminer. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-4502?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2014-4502 published?: CVE-2014-4502 was published on 2014-07-23 and last updated on 2026-06-17.

References

Affected products (17)

cpe:2.3:a:bfgminer:bfgminer:*:*:*:*:*:*:*:*
cpe:2.3:a:sgminer_project:sgminer:*:*:*:*:*:*:*:*
cpe:2.3:a:sgminer_project:sgminer:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:sgminer_project:sgminer:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:sgminer_project:sgminer:4.1.153:*:*:*:*:*:*:*
cpe:2.3:a:sgminer_project:sgminer:4.1.242:*:*:*:*:*:*:*
cpe:2.3:a:sgminer_project:sgminer:4.1.271:*:*:*:*:*:*:*
cpe:2.3:a:sgminer_project:sgminer:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:bfgminer:bfgminer:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:bfgminer:bfgminer:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:bfgminer:bfgminer:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:bfgminer:bfgminer:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:bfgminer:bfgminer:3.2.4:*:*:*:*:*:*:*
cpe:2.3:a:bfgminer:bfgminer:3.2.5:*:*:*:*:*:*:*
cpe:2.3:a:bfgminer:bfgminer:3.2.6:*:*:*:*:*:*:*
cpe:2.3:a:bfgminer:bfgminer:3.2.7:*:*:*:*:*:*:*
cpe:2.3:a:bfgminer:bfgminer:3.2.8:*:*:*:*:*:*:*

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