How severe is CVE-2009-0812?

CVE-2009-0812 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-0812 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0812?

CVE-2009-0812 primarily affects Bpsoft Hex Workshop. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0812?

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-2009-0812 published?

CVE-2009-0812 was published on 2009-03-04 and last updated on 2026-06-16.

CVE-2009-0812

CVE-2009-0812 is a critical-severity vulnerability in Bpsoft Hex Workshop with a CVSS 2.0 base score of 9.3. 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 9.3)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Bpsoft Hex Workshop
Published: 2009-03-04
Last modified: 2026-06-16

Description

Stack-based buffer overflow in BreakPoint Software Hex Workshop 4.23, 6.0.1.4603, and other 6.x and earlier versions allows remote attackers to execute arbitrary code via a crafted Intel Hex Code (.hex) file. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2009-0812?: Stack-based buffer overflow in BreakPoint Software Hex Workshop 4.23, 6.0.1.4603, and other 6.x and earlier versions allows remote attackers to execute arbitrary code via a crafted Intel Hex Code (.hex) file. NOTE: some of these details are obtained from third party information.
How severe is CVE-2009-0812?: CVE-2009-0812 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-0812 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0812?: CVE-2009-0812 primarily affects Bpsoft Hex Workshop. In total, 26 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0812?: 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-2009-0812 published?: CVE-2009-0812 was published on 2009-03-04 and last updated on 2026-06-16.

References

Affected products (26)

cpe:2.3:a:bpsoft:hex_workshop:*:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:1.0:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:2.00:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:2.01:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:2.10:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:2.20:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:2.50:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:2.52:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:2.53:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:2.54:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:3.00:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:3.02:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:3.10:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:3.11:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:4.00:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:4.10:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:4.20:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:4.21:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:4.22:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:4.23:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:5.0:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:5.1:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:5.1.3:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:5.1.4:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:5.02:*:*:*:*:*:*:*
cpe:2.3:a:bpsoft:hex_workshop:6.0.1:*:*:*:*:*:*:*

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