The Chilkat XML ChilkatUtil.CkData.1 ActiveX control (ChilkatUtil.dll) 3.0.3.0 and…
Priority MEDIUM 51CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
EPSS 0.08681 95th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:chilkat_software:chilkat_xml_activex_control:*:*:*:*:*:*:*:* | up to 3.0.3.0 | Vulnerable | Chilkat Software |
- cpe:2.3:a:chilkat_software:chilkat_xml_activex_control:*:*:*:*:*:*:*:* Versions up to 3.0.3.0 Vulnerable ·Chilkat Software
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-4343
- 2026-10-03 Alias added: GHSA-ph42-h265-7hfr
- 2026-10-07 EPSS moved to the 95th–99th percentile
References
Sources
- CVE-2008-4343 · CVE Program
- CVE-2008-4343 · NVD
- FIRST EPSS
- GHSA-ph42-h265-7hfr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences