How severe is CVE-2008-4343?

CVE-2008-4343 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2008-4343 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4343?

CVE-2008-4343 affects Chilkat Software Chilkat Xml Activex Control. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-4343?

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-2008-4343 published?

CVE-2008-4343 was published on 2008-09-30 and last updated on 2026-06-16.

CVE-2008-4343

CVE-2008-4343 is a critical-severity vulnerability in Chilkat Software Chilkat Xml 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. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 9% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Chilkat Software Chilkat Xml Activex Control
Published: 2008-09-30
Last modified: 2026-06-16

Description

The Chilkat XML ChilkatUtil.CkData.1 ActiveX control (ChilkatUtil.dll) 3.0.3.0 and earlier allows remote attackers to create, overwrite, and modify arbitrary files for execution via a call to the (1) SaveToFile, (2) SaveToTempFile, or (3) AppendBinary method. NOTE: this issue might only be exploitable in limited environments or non-default browser settings. NOTE: this can be leveraged for remote code execution by accessing files using hcp:// URLs.

Frequently asked questions

What is CVE-2008-4343?: The Chilkat XML ChilkatUtil.CkData.1 ActiveX control (ChilkatUtil.dll) 3.0.3.0 and earlier allows remote attackers to create, overwrite, and modify arbitrary files for execution via a call to the (1) SaveToFile, (2) SaveToTempFile, or (3) AppendBinary method. NOTE: this issue might only be exploitable in limited environments or non-default browser settings. NOTE: this can be leveraged for remote code execution by accessing files using hcp:// URLs.
How severe is CVE-2008-4343?: CVE-2008-4343 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2008-4343 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4343?: CVE-2008-4343 affects Chilkat Software Chilkat Xml Activex Control. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-4343?: 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-2008-4343 published?: CVE-2008-4343 was published on 2008-09-30 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:chilkat_software:chilkat_xml_activex_control:*:*:*:*:*:*:*:*

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