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, which allows remote attackers to execute arbitrary commands.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 77.1%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 77.14% probability · 100th percentile
- Public exploits
- 2 in Exploit-DB · verified · first 19 July 1999
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- microsoft/data access components · microsoft/index server · microsoft/internet information server · microsoft/site server
- Source
- cve@mitre.org
EPSS 77.1% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-19425source ↗ | 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)windows · Wanderley J. Abreu Jr | local | 19 July 1999 | yes |
| EDB-19424source ↗ | 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)windows · rain forest puppy | remote | 19 July 1999 | yes |
References
- http://www.ciac.org/ciac/bulletins/j-054.shtml
- http://www.osvdb.org/272
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-004
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-025
- https://www.securityfocus.com/bid/529
- http://www.ciac.org/ciac/bulletins/j-054.shtml
- http://www.osvdb.org/272
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1998/ms98-004
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-025
- https://www.securityfocus.com/bid/529
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.