How severe is CVE-2011-0323?

CVE-2011-0323 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-0323 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0323?

CVE-2011-0323 affects Topazsystems Sigplus Pro Activex Control. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-0323?

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-2011-0323 published?

CVE-2011-0323 was published on 2011-02-07 and last updated on 2026-06-16.

CVE-2011-0323

CVE-2011-0323 is a critical-severity vulnerability in Topazsystems Sigplus Pro Activex Control 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.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Topazsystems Sigplus Pro Activex Control
Published: 2011-02-07
Last modified: 2026-06-16

Description

Topaz Systems SigPlus Pro ActiveX Control 3.95, and possibly other versions before 4.29, allows remote attackers to execute arbitrary code by calling the exposed unsafe (1) SetLogFilePath and (2) SigMessage methods to create arbitrary files with arbitrary content.

Frequently asked questions

What is CVE-2011-0323?: Topaz Systems SigPlus Pro ActiveX Control 3.95, and possibly other versions before 4.29, allows remote attackers to execute arbitrary code by calling the exposed unsafe (1) SetLogFilePath and (2) SigMessage methods to create arbitrary files with arbitrary content.
How severe is CVE-2011-0323?: CVE-2011-0323 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-0323 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0323?: CVE-2011-0323 affects Topazsystems Sigplus Pro Activex Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-0323?: 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-2011-0323 published?: CVE-2011-0323 was published on 2011-02-07 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:topazsystems:sigplus_pro_activex_control:3.95:*:*:*:*:*:*:*

More vulnerabilities in Topazsystems Sigplus Pro Activex Control

CVE-2011-0324 — Critical (CVSS 9.3): Multiple heap-based buffer overflows in Topaz Systems SigPlus Pro ActiveX Control 3.95, and possibly other versions…
CVE-2010-2931 — Critical (CVSS 9.3): Stack-based buffer overflow in SigPlus Pro 3.74 ActiveX control allows remote attackers to execute arbitrary code via a…

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