CVE-2006-2247
WebCalendar 1.0.1 to 1.0.3 generates different error messages depending on whether or not a...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2006-2247- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2006-2247- Updated
- 2026-11-02
EUVDEUVD-2006-2248 No score
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.
- Record
EUVD-2006-2248- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-437p-pvrc-cr2c No score
WebCalendar 1.0.1 to 1.0.3 generates different error messages depending on whether or not a...
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.
- Record
GHSA-437p-pvrc-cr2c- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
webcalendarDebian:3.1 |
before 0.9.45-4sarge4, plus listed versions 0.9.45-40.9.45-4sarge10.9.45-4sarge20.9.45-4sarge3 |
0.9.45-4sarge4 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2006-2247 is a medium vulnerability (CVSS 5.0) in Webcalendar, published May 9, 2006. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.70%, the 77th percentile. Fixed in webcalendar 0.9.45-4sarge4.