In IIS and other web servers, an attacker can attack commands as SYSTEM if the server is…
Priority MEDIUM 45Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
In IIS and other web servers, an attacker can attack commands as SYSTEM if the server is running as SYSTEM and loading an ISAPI extension.
Why it matters now
EPSS 0.10238 95th 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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:internet_information_server:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:* | 4.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:internet_information_services:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:internet_information_server:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:internet_information_services:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-1999-0412
- 2026-10-03 Alias added: GHSA-g4g4-39cv-vpgv
References
—
More Microsoft Internet Information Server vulnerabilities
- TI-2001-00492 Buffer overflow in ISAPI extension (idq.dll) in Index Server 2.0 and Indexing Service… CVSS 2.0HIGH 10.0
- TI-2009-02880 Buffer overflow in the FTP Service in Microsoft Internet Information Services (IIS) 5.0… CVSS 2.0HIGH 9.0
- TI-1999-00961 The Remote Data Service (RDS) DataFactory component of Microsoft Data Access Components… CVSS 2.0HIGH 10.0
- TI-1999-00824 Buffer overflow in IIS 4.0 allows remote attackers to cause a denial of service via a… CVSS 2.0HIGH 10.0
- TI-2008-00066 Unspecified vulnerability in Microsoft Internet Information Services (IIS) 5.1 through… CVSS 2.0HIGH 10.0
- TI-2001-00331 Directory traversal vulnerability in IIS 5.0 and earlier allows remote attackers to… CVSS 2.0HIGH 7.5
Sources
- CVE-1999-0412 · CVE Program
- CVE-1999-0412 · NVD
- FIRST EPSS
- GHSA-g4g4-39cv-vpgv · 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