The Internet Mail Service in Exchange Server 5.5 and Exchange 2000 allows remote…
Priority HIGH 72CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-400.
Summary
The Internet Mail Service in Exchange Server 5.5 and Exchange 2000 allows remote attackers to cause a denial of service (memory exhaustion) by directly connecting to the SMTP service and sending a certain extended verb request, possibly triggering a buffer overflow in Exchange 2000.
Why it matters now
EPSS 0.77615 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:exchange_server:5.5:-:*:*:*:*:*:* | 5.5 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:5.5:sp1:*:*:*:*:*:* | 5.5 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:5.5:sp2:*:*:*:*:*:* | 5.5 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:5.5:sp3:*:*:*:*:*:* | 5.5 sp3 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:5.5:sp4:*:*:*:*:*:* | 5.5 sp4 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2000:-:*:*:*:*:*:* | 2000 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2000:sp1:*:*:*:*:*:* | 2000 sp1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2000:sp2:*:*:*:*:*:* | 2000 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:exchange_server:2000:sp3:*:*:*:*:*:* | 2000 sp3 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:exchange_server:5.5:-:*:*:*:*:*:* Versions 5.5 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:5.5:sp1:*:*:*:*:*:* Versions 5.5 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:5.5:sp2:*:*:*:*:*:* Versions 5.5 sp2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:5.5:sp3:*:*:*:*:*:* Versions 5.5 sp3 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:5.5:sp4:*:*:*:*:*:* Versions 5.5 sp4 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2000:-:*:*:*:*:*:* Versions 2000 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2000:sp1:*:*:*:*:*:* Versions 2000 sp1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2000:sp2:*:*:*:*:*:* Versions 2000 sp2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:exchange_server:2000:sp3:*:*:*:*:*:* Versions 2000 sp3 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0714
- 2026-10-03 Alias added: GHSA-r8x6-rcp7-vcjc
References
More Microsoft Exchange Server vulnerabilities
- TI-2024-14170 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2022-19610 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2021-13547 Microsoft Exchange Server Elevation of Privilege Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2021-13502 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2021-08465 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2023-07929 Microsoft Exchange Server Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2003-0714 · CVE Program
- CVE-2003-0714 · NVD
- FIRST EPSS
- GHSA-r8x6-rcp7-vcjc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences