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CVE-1999-1035

21
FAUCET Score

CVE-1999-1035 describes a denial-of-service vulnerability affecting Microsoft IIS versions 3.0 and 4.0 on x86 and Alpha architectures. A remote unauthenticated attacker can exploit this flaw by sending a specially crafted GET request, causing the server to hang. The vulnerability has a medium severity CVSS score of 5.0, indicating it is easily exploitable over the network with low attack complexity, leading to partial availability impact. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage regarding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_server:3.0:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*

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
17.48%
Probability of exploitation in next 30 days
EPSS Percentile
96.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.1748 is in the 97th percentile among its peer group of 23,725 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

docs.microsoft.com / en-us/security-updates/securitybulletins/1998/ms98-019
exchange.xforce.ibmcloud.com / vulnerabilities/1823
support.microsoft.com / support/kb/articles/q192/2/96.asp
PatchVendor Advisory