CVE-2001-0660
UnknownEPSS 18.13%
Last modified
CVE-2001-0660 is a vulnerability of currently unknown severity. 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).. EPSS estimates a 18.13% chance of exploitation in the next 30 days.
Description
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).
Metrics
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Exchange Server | <= 5.5 | Sp4 |
References
- http://support.microsoft.com/support/kb/articles/Q307/1/95.ASPPatch, Vendor Advisory
- http://support.microsoft.com/support/kb/articles/Q307/1/95.ASPPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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).
How severe is CVE-2001-0660?
Severity scoring for CVE-2001-0660 is pending analysis. The EPSS model estimates a 18.13% probability of exploitation in the next 30 days.
How do I fix CVE-2001-0660?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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Are you affected by CVE-2001-0660?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST