CVE-2009-0812

Exp

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.

Published: 2009-03-04 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-0812 is rated High Exploit Risk (85.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 34.09%, 97th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2009-0812

EDB-ID Source Kind Published Link
9550 exploit_db edb 2009-08-31 Exploit-DB ↗
8121 exploit_db edb 2009-02-27 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-0812

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-24 34.63% 34.09% -0.54%
2 2026-01-02 22.32% 34.63% +12.30%
3 2025-07-24 — 22.32% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-0812

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2009-0812

Affected software / configurations for CVE-2009-0812

Vendor Product Version Raw CPE
bpsoft hex_workshop <= 6.0.0 cpe:2.3:a:bpsoft:hex_workshop:*:*:*:*:*:*:*:*
bpsoft hex_workshop 1.0 cpe:2.3:a:bpsoft:hex_workshop:1.0:*:*:*:*:*:*:*
bpsoft hex_workshop 2.00 cpe:2.3:a:bpsoft:hex_workshop:2.00:*:*:*:*:*:*:*
bpsoft hex_workshop 2.01 cpe:2.3:a:bpsoft:hex_workshop:2.01:*:*:*:*:*:*:*
bpsoft hex_workshop 2.10 cpe:2.3:a:bpsoft:hex_workshop:2.10:*:*:*:*:*:*:*
bpsoft hex_workshop 2.20 cpe:2.3:a:bpsoft:hex_workshop:2.20:*:*:*:*:*:*:*
bpsoft hex_workshop 2.50 cpe:2.3:a:bpsoft:hex_workshop:2.50:*:*:*:*:*:*:*
bpsoft hex_workshop 2.52 cpe:2.3:a:bpsoft:hex_workshop:2.52:*:*:*:*:*:*:*
bpsoft hex_workshop 2.53 cpe:2.3:a:bpsoft:hex_workshop:2.53:*:*:*:*:*:*:*
bpsoft hex_workshop 2.54 cpe:2.3:a:bpsoft:hex_workshop:2.54:*:*:*:*:*:*:*
bpsoft hex_workshop 3.00 cpe:2.3:a:bpsoft:hex_workshop:3.00:*:*:*:*:*:*:*
bpsoft hex_workshop 3.02 cpe:2.3:a:bpsoft:hex_workshop:3.02:*:*:*:*:*:*:*
bpsoft hex_workshop 3.10 cpe:2.3:a:bpsoft:hex_workshop:3.10:*:*:*:*:*:*:*
bpsoft hex_workshop 3.11 cpe:2.3:a:bpsoft:hex_workshop:3.11:*:*:*:*:*:*:*
bpsoft hex_workshop 4.00 cpe:2.3:a:bpsoft:hex_workshop:4.00:*:*:*:*:*:*:*
bpsoft hex_workshop 4.10 cpe:2.3:a:bpsoft:hex_workshop:4.10:*:*:*:*:*:*:*
bpsoft hex_workshop 4.20 cpe:2.3:a:bpsoft:hex_workshop:4.20:*:*:*:*:*:*:*
bpsoft hex_workshop 4.21 cpe:2.3:a:bpsoft:hex_workshop:4.21:*:*:*:*:*:*:*
bpsoft hex_workshop 4.22 cpe:2.3:a:bpsoft:hex_workshop:4.22:*:*:*:*:*:*:*
bpsoft hex_workshop 4.23 cpe:2.3:a:bpsoft:hex_workshop:4.23:*:*:*:*:*:*:*
bpsoft hex_workshop 5.0 cpe:2.3:a:bpsoft:hex_workshop:5.0:*:*:*:*:*:*:*
bpsoft hex_workshop 5.1 cpe:2.3:a:bpsoft:hex_workshop:5.1:*:*:*:*:*:*:*
bpsoft hex_workshop 5.1.3 cpe:2.3:a:bpsoft:hex_workshop:5.1.3:*:*:*:*:*:*:*
bpsoft hex_workshop 5.1.4 cpe:2.3:a:bpsoft:hex_workshop:5.1.4:*:*:*:*:*:*:*
bpsoft hex_workshop 5.02 cpe:2.3:a:bpsoft:hex_workshop:5.02:*:*:*:*:*:*:*
bpsoft hex_workshop 6.0.1 cpe:2.3:a:bpsoft:hex_workshop:6.0.1:*:*:*:*:*:*:*

References for CVE-2009-0812

cvelogic Threat Intelligence