CVE-1999-1011
The Remote Data Service (RDS) DataFactory component of Microsoft Data Access Components (MDAC) in IIS 3.x and 4.x exposes unsafe methods,…
- 10.0HighCVSS base score
- 77.1%Exploitation in 30 daysEPSS · top 0.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
Description
The Remote Data Service (RDS) DataFactory component of Microsoft Data Access Components (MDAC) in IIS 3.x and 4.x exposes unsafe methods, which allows remote attackers to execute arbitrary commands.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and 2 Exploit-DB entries for it.
Show the exploits3
Metasploit modules1 module
- MS99-025 Microsoft IIS MDAC msadcs.dll RDS Arbitrary Remote Command Execution (Metasploit module) (opens in a new tab)
exploit/windows/iis/msadcRank excellentdisclosed 17 Jul 1998
Exploit-DB2 entries
- Microsoft Data Access Components (MDAC) 2.1 / Microsoft IIS 3.0/4.0 / Microsoft Index Server 2.0 / Microsoft Site Server Commerce Edition 3.0 i386 MDAC - RDS (1) (Exploit-DB entry) (opens in a new tab)
EDB-ID 19424remote, windowspublished 19 Jul 1999Verified
- Microsoft Data Access Components (MDAC) 2.1 / Microsoft IIS 3.0/4.0 / Microsoft Index Server 2.0 / Microsoft Site Server Commerce Edition 3.0 i386 MDAC - RDS (2) (Exploit-DB entry) (opens in a new tab)
EDB-ID 19425local, windowspublished 19 Jul 1999Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 5 months later
· 5 months later
Published
- 24 years later
· 24 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 77.1% · top 0.4% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Affected products
n/a
- affected n/a
References
5
- MS99-025 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 529 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 272 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- J-054 (opens in a new tab)third-party-advisorygovernment-resourcex_refsource_CIACx_transferred
- MS98-004 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-1999-0992 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-1999-1011)Record last updated .