How severe is CVE-2013-0001?

CVE-2013-0001 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-0001 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-0001?

CVE-2013-0001 primarily affects Microsoft .net Framework. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-0001?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-0001 published?

CVE-2013-0001 was published on 2013-01-09 and last updated on 2026-06-16.

CVE-2013-0001

CVE-2013-0001 is a medium-severity vulnerability in Microsoft .net Framework with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Microsoft .net Framework
Published: 2013-01-09
Last modified: 2026-06-16

Description

The Windows Forms (aka WinForms) component in Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.0 SP2, 4, and 4.5 does not properly initialize memory arrays, which allows remote attackers to obtain sensitive information via (1) a crafted XAML browser application (XBAP) or (2) a crafted .NET Framework application that leverages a pointer to an unmanaged memory location, aka "System Drawing Information Disclosure Vulnerability."

Frequently asked questions

What is CVE-2013-0001?: The Windows Forms (aka WinForms) component in Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.0 SP2, 4, and 4.5 does not properly initialize memory arrays, which allows remote attackers to obtain sensitive information via (1) a crafted XAML browser application (XBAP) or (2) a crafted .NET Framework application that leverages a pointer to an unmanaged memory location, aka "System Drawing Information Disclosure Vulnerability."
How severe is CVE-2013-0001?: CVE-2013-0001 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-0001 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-0001?: CVE-2013-0001 primarily affects Microsoft .net Framework. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-0001?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-0001 published?: CVE-2013-0001 was published on 2013-01-09 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:microsoft:.net_framework:1.0:sp3:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:1.1:sp1:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.5:*:*:*:*:*:*:*

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