CVE-2003-0226
Microsoft Internet Information Services (IIS) 5.0 and 5.1 allows remote attackers to cause a denial of service via a long WebDAV request…
- 5.0MediumCVSS base score
- 43.2%Exploitation in 30 daysEPSS · top 1.3% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Microsoft Internet Information Services (IIS) 5.0 and 5.1 allows remote attackers to cause a denial of service via a long WebDAV request with a (1) PROPFIND or (2) SEARCH method, which generates an error condition that is not properly handled.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list 2 Exploit-DB entries for it.
Show the exploits2
Exploit-DB2 entries
- Microsoft IIS 5.0 < 5.1 - Remote Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 35dos, windowspublished 31 May 2003Verified
- Microsoft IIS 5.0 - WebDAV PROPFIND / SEARCH Method Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 22670dos, windowspublished 28 May 2003Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 30 days later
· 30 days later
Published
- 21 years later
· 21 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 43.2% · top 1.3% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
6
- MS03-018 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- 20030528 Internet Information Services 5.0 Denial of service (opens in a new tab)mailing-listx_refsource_NTBUGTRAQx_transferred
- http://www.spidynamics.com/iis_alert.html (opens in a new tab)x_refsource_MISCx_transferred
- oval:org.mitre.oval:def:933 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 20030529 IIS WEBDAV Denial of Service attacks (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20030528 Internet Information Services 5.0 Denial of service (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2003-0221 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2003-0226)Record last updated .