Home/CVE/The Remote Data Service (RDS) DataFactory component of Microsoft Data Access Components (MDAC) in IIS 3.x and 4.x expose
CVE

CVE-1999-1011

The Remote Data Service (RDS) DataFactory component of Microsoft Data Access Components (MDAC) in IIS 3.x and 4.x expose

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.

HIGH · CVSS 10 EPSS 0.79296
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 1% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

4
microsoft data access componentsall versions
microsoft index serverall versions
microsoft internet information serverall versions
microsoft site serverall versions
⚠

Public Exploits & PoCs

2
localMicrosoft 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)verified
remoteMicrosoft 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)verified
◈

Detection Rules (IDS/IPS)

1
snort-communitySERVER-IIS msadcs.dll accessweb-application-activity
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
▣

Scoring & Timeline

10
HIGH · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Published to NVD19 Jul 1999 · 04:00 AM
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
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