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CVE-2002-0364

26
FAUCET Score

CVE-2002-0364 describes a critical buffer overflow vulnerability in the chunked encoding transfer mechanism of Microsoft IIS 4.0 and 5.0. This flaw allows unauthenticated attackers to execute arbitrary code on affected web servers by sending specially crafted HTR request sessions. With a CVSS score of 7.5, this vulnerability presents a high risk due to its network-based attack vector and low attack complexity, potentially leading to complete compromise of the web server. While there is no evidence of active exploitation, publicly available exploit code, or significant community discussion, the high FAUCET Risk Score of 97/100 indicates its severe potential impact.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
16.18%
Probability of exploitation in next 30 days
EPSS Percentile
96.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1618 is in the 95th percentile among its peer group of 51,485 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

archives.neohapsis.com / archives/vulnwatch/2002-q2/0099.html
marc.info
marc.info
online.securityfocus.com / archive/1/276767
docs.microsoft.com / en-us/security-updates/securitybulletins/2002/ms02-028
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A182
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A29
iss.net / security_center/static/9327.php
kb.cert.org / vuls/id/313819
US Government Resource
securityfocus.com / bid/4855