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CVE-1999-0281

27
FAUCET Score

CVE-1999-0281 describes a denial-of-service vulnerability affecting Microsoft Internet Information Server (IIS) versions 2.0 and 3.0. This flaw allows an unauthenticated attacker to disrupt service by sending excessively long URLs to the server. With a CVSS score of 5.0 (Medium), it is easily exploitable over the network with low attack complexity, resulting in a partial availability impact. While not listed on the KEV catalog, an ExploitDB entry exists, but there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_server:3.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_services:2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
12.59%
Probability of exploitation in next 30 days
EPSS Percentile
95.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-20802 · Jun 21, 1997
This CVE's current EPSS score of 0.1259 is in the 95th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

exchange.xforce.ibmcloud.com / vulnerabilities/CVE-1999-0281