THREATPORT/VULNERABILITY/CVE-2006-2055
MEDIUM SEVERITY

CVE-2006-2055

Outlook vulnerability

CVSS
5.0
EPSS
15.4%
EPSS pct
96th
Exploited
No known
Argument injection vulnerability in Microsoft Outlook 2003 SP1 allows user-assisted remote attackers to modify command line arguments to an invoked mail client via " (double quote) characters in a mailto: scheme handler, as demonstrated by launching Microsoft Outlook with an arbitrary filename as an attachment. NOTE: it is not clear whether this issue is implementation-specific or a problem in the Microsoft API.
Affected vendor
Microsoft
Affected product
Outlook
CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness type (CWE)
Published
2006-04-26

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 15.4% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2006-2055

  • Confirm whether Microsoft Outlook is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2006-2055.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2006-2055

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2006-2055 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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