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Emerging threatsCritical

CVE-2008-5002Chilkat Crypt Activex Control Vulnerability

Insecure method vulnerability in the ChilkatCrypt2.ChilkatCrypt2.1 ActiveX control (ChilkatCrypt2.dll 4.3.2.1) in Chilkat Crypt ActiveX Component allows remote attackers to create and overwrite arbitrary files via the WriteFile method.

Published Nov 10, 2008 · Updated Apr 22, 2026

Key Facts

Patch immediately
  • CVE-2008-5002 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Chilkat Crypt Activex Control (Chilkat Software).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 41% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v2

9.3

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

EPSS (30-day exploit likelihood)

41%

Higher than 98.6% of all scored CVEs

Exploit maturity

Weaponized

ATLAS score

56/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Weaponized

Public exploit code

2

Proof-of-concept links

In-the-wild evidence

0

Reports of active use

Advisories And Exploit References

Description

Insecure method vulnerability in the ChilkatCrypt2.ChilkatCrypt2.1 ActiveX control (ChilkatCrypt2.dll 4.3.2.1) in Chilkat Crypt ActiveX Component allows remote attackers to create and overwrite arbitrary files via the WriteFile method. NOTE: this could be leveraged for code execution by creating executable files in Startup folders or by accessing files using hcp:// URLs. NOTE: some of these details are obtained from third party information.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Chilkat Crypt Activex ControlChilkat Software2.1n/a

Timeline

  1. Publicly disclosed

    Nov 10, 2008

  2. Last updated

    Apr 22, 2026

Weakness Type

  • CWE-20 Improper Input Validation

References

3 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2008-5002 On Your Attack Surface?

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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

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