CVE-2006-2247

CVE-2006-2247 is a medium-severity vulnerability in Webcalendar with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

WebCalendar 1.0.1 to 1.0.3 generates different error messages depending on whether or not a username is valid, which allows remote attackers to enumerate valid usernames.

Frequently asked questions

What is CVE-2006-2247?
WebCalendar 1.0.1 to 1.0.3 generates different error messages depending on whether or not a username is valid, which allows remote attackers to enumerate valid usernames.
How severe is CVE-2006-2247?
CVE-2006-2247 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2006-2247 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-2247?
CVE-2006-2247 primarily affects Webcalendar. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-2247?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-2247 published?
CVE-2006-2247 was published on 2006-05-09 and last updated on 2026-06-16.

References

Affected products (3)

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