Improper input validation in Microsoft Commercial Internet System
CVE-1999-0867
Denial of service in IIS 4.0 via a flood of HTTP requests with malformed headers.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.215 (97.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.215 · newest: 0.215 · change: 0.000
Affected products
- Microsoft Commercial Internet System — versions 2.0, 2.5
- Microsoft Internet Information Server — versions 4.0
- Microsoft Site Server — versions 3.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.microsoft.com/default.aspx (vendor-advisory)
- www.ciac.org/ciac/bulletins/j-058.shtml (government-resource, third-party-advisory)
- docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-029 (vendor-advisory)
- www.securityfocus.com/bid/579 (vdb-entry)
Frequently asked questions
- What is CVE-1999-0867?
- CVE-1999-0867 is a vulnerability in Microsoft Commercial Internet System, classified under Improper Input Validation. Published 1999-08-11.
- Is CVE-1999-0867 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.