Servers and applications
CVE-2001-0660
Outlook Web Access (OWA) in Microsoft Exchange 5.5, SP4 and earlier, allows remote attackers to identify valid user email addresses by directly accessing a back-end function that processes the global address list (GAL).
- Severity
- Medium 5.0
- Published
- 30 Oct 2001
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 22% in the next 30 daysHigher than 97% of CVEs. EPSS by FIRST, 12 Nov 2026
- Attack
- Over the network · No login needed
- Attacker can
- Read some data
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:N/A:N- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
Microsoft Exchange ServerServers and applications · cpe:a:microsoft:exchange_server |
|