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Vulnerability record · CVE-2008-4343 · published 30 September 2008

CVE-2008-4343: Chilkat software chilkat xml activex control improper input validation vulnerability

Chilkat Software · Chilkat Xml Activex Control

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.

9.3 CVSS 2.0 High EPSS 8.7% · top 5.0% CWE-20 · Improper input validation
9.3CVSS 2.0 base score
8.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 2 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/31951 Vendor Advisory
http://www.securityfocus.com/bid/31332
http://www.shinnai.net/xplits/TXT_rNowA1916DKFNUF48NyS ExploitURL Repurposed
https://exchange.xforce.ibmcloud.com/vulnerabilities/45333
https://www.exploit-db.com/exploits/6537
http://secunia.com/advisories/31951 Vendor Advisory
http://www.securityfocus.com/bid/31332
http://www.shinnai.net/xplits/TXT_rNowA1916DKFNUF48NyS ExploitURL Repurposed
https://exchange.xforce.ibmcloud.com/vulnerabilities/45333
https://www.exploit-db.com/exploits/6537

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2008-4343), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.