Buffer overflow in Microsoft Internet Information Server

CVE-1999-0874

Buffer overflow in IIS 4.0 allows remote attackers to cause a denial of service via a malformed request for files with .HTR, .IDC, or .STM extensions.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v2 metric

CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.747 (99.5th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-1999-0874: held from 0.747 to 0.747.

EPSS over last 30 days · oldest: 0.747 · newest: 0.747 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-1999-0874?
CVE-1999-0874 is a vulnerability in Microsoft Internet Information Server, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 1999-06-16.
Is CVE-1999-0874 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.