CVE-2001-0660 describes an information disclosure vulnerability in Microsoft Exchange 5.5, SP4 and earlier, specifically within its Outlook Web Access (OWA) component. This flaw allows unauthenticated remote attackers to identify valid user email addresses by directly accessing a back-end function that processes the Global Address List (GAL). With a CVSS score of 5.0 (Medium), the attack is network-based and low complexity, requiring no authentication, and primarily impacts confidentiality by revealing sensitive user information. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this older vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.5CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:*:sp4:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.