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Vulnerabilities

Vulnerability · CVE-2008-2551

Icona SpA C6 Messenger DownloaderActiveX Control Arbitrary File Download Vulnerability

Published Aug 17, 2021 · catalog updated Aug 17, 2021 · Icona SpA C6 Messenger

Patch now

CVE-2008-2551 is in the CISA known-exploited catalog. Confirm Icona SpA C6 Messenger against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Icona SpA C6 Messenger).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
46.94%
Remediation
Remediation guidance
Affected products
vendor icona instant_messenger

The DownloaderActiveX Control (DownloaderActiveX.ocx) in Icona SpA C6 Messenger 1.0.0.1 allows remote attackers to force the download and execution of arbitrary files via a URL in the propDownloadUrl parameter with the propPostDownloadAction parameter set to "run."

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor icona instant_messengerversion unspecified

How to fix CVE-2008-2551

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2008-2551 is in the CISA known-exploited catalog. Confirm Icona SpA C6 Messenger against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 46.94%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 17, 2021 · VulnCheck KEV

    Detected

    The DownloaderActiveX Control (DownloaderActiveX.ocx) in Icona SpA C6 Messenger 1.0.0.1 allows remote attackers to force the download and execution of arbitrary files via a URL in the propDownloadUrl parameter with the propPostDownloadAction parameter set to "run."

  2. Aug 17, 2021 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2008-2551

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2008-2551

    30-day exploitation probability 46.9%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2008-2551

    The DownloaderActiveX Control (DownloaderActiveX.ocx) in Icona SpA C6 Messenger 1.0.0.1 allows remote attackers to force the download and execution of arbitrary files via a URL in the propDownloadUrl parameter with the propPostDownloadAction parameter set to "run."

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.