CVE-2001-0660 json
Outlook Web Access (OWA) in Microsoft Exchange 5.5, SP4 and earlier, allows remote attackers to identify valid user email addresses by dire…
published 25y ago modified 4mo ago also EUVD-2001-0646
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 22.0%
- EPSS 22.0% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
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).
Patch / fix
Is CVE-2001-0660 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
21.99% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-14).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Technology feeds
References
-
support.microsoft.com
/support/kb/articles/Q307/1/95.ASP
vendor-advisory, patch
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2001/ms01-047
vendor-advisory
-
securityfocus.com
/bid/3301
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/7089
vdb-entry
Sources
- CVE List CVE-2001-0660
- NVD CVE-2001-0660
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.