Microsoft Exchange 4.0 SP5
Microsoft Exchange 4.0 SP5
Third-party support for the Microsoft Exchange 4.0 SP5: 24/7 engineers manage issues, remediate vulnerabilities, and help you maintain compliance — independent of the vendor contract.
24/7 engineers own your Microsoft Exchange 4.0 SP5 incidents end to end.
Mitigation and patch-around guidance when the vendor no longer ships fixes.
Controls evidence and documentation that keep auditors satisfied.
Specifications
- product
- msexchange
- release
- 4.0
- product Label
- Microsoft Exchange
- release Label
- 4.0 SP5
- codename
- lts
- latest Version
- 4.0.996
- release Date
- 1996-06-11
- maintained
- source Url
- https://endoflife.date/msexchange
OEM vs. 3rd Party Support
See how third-party support compares to the vendor contract for Microsoft Exchange 4.0 SP5 — monitoring, break/fix, vulnerability work, operations and compliance, before and after EOSL.
| Feature | OEM Support | 3rd Party Support |
|---|---|---|
| Post-EOSL Support | ||
| Break/Fix Support | Until EOSL | |
| 24/7 Monitoring | ||
| Vulnerability Scanning & Remediation | ||
| Managed Operations | ||
| Procedure & Configuration Review | ||
| Compliance & Audit Documentation | Limited | |
| Discounted Migration to Other Platforms |
Why Choose 3rd Party Support for Microsoft Exchange 4.0 SP5?
Vulnerability Remediation
Scanning, mitigation and patch-around guidance for Microsoft Exchange 4.0 SP5 when the vendor no longer ships fixes.
Compliance Maintenance
Procedure review, controls evidence and the documentation auditors ask for — maintained continuously, not scrambled at audit time.
24/7 Expert Support
Engineers who know this release monitor, manage and fix issues around the clock — break/fix to managed operations.
Microsoft Exchange 4.0 SP5 Support: Frequently Asked Questions
Is the Microsoft Exchange 4.0 SP5 still supported?
Yes. The Microsoft Exchange 4.0 SP5 is currently supported by Microsoft, and third-party support is available as an alternative — issue management, vulnerability remediation, and compliance help independent of the vendor contract.
How much does third-party support for the Microsoft Exchange 4.0 SP5 cost?
Typically 40-70% below the OEM maintenance renewal price. Exact pricing depends on quantity, service level and location — request a quote and we respond within 24 hours.
Known Vulnerabilities Affecting Microsoft Exchange 4.0 SP5
5 published CVEs affect the Microsoft Exchange 4.0 SP5, including 1 rated critical or high severity. Our 24/7 engineers help you assess exposure, prioritize fixes and apply available patches.
| CVE | Severity | CVSS | Published | Summary |
|---|---|---|---|---|
| CVE-1999-0284 | HIGH | 7.5 | Jan 1, 1998 | Denial of service to NT mail servers including Ipswitch, Mdaemon, and Exchange through a buffer overflow in the SMTP HELO command. |
| CVE-2001-0660 | MEDIUM | 5.0 | Oct 30, 2001 | 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). |
| CVE-2000-0524 | MEDIUM | 5.0 | Jun 5, 2000 | Microsoft Outlook and Outlook Express allow remote attackers to cause a denial of service by sending email messages with blank fields such as BCC, Reply-To, Return-Path, or From. |
| CVE-2000-0216 | MEDIUM | 5.0 | Feb 29, 2000 | Microsoft email clients in Outlook, Exchange, and Windows Messaging automatically respond to Read Receipt and Delivery Receipt tags, which could allow an attacker to flood a mail system with responses by forging a Read Receipt request that is redirected to a large distribution list. |
| CVE-1999-1322 | MEDIUM | 4.6 | Nov 12, 1998 | The installation of 1ArcServe Backup and Inoculan AV client modules for Exchange create a log file, exchverify.log, which contains usernames and passwords in plaintext. |