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CVE-2002-0364
Buffer overflow in the chunked encoding transfer mechanism in IIS 4.0 and 5.0 allows attackers to execute arbitrary code via the…
High7.5EPSS 33.8%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Buffer overflow in the chunked encoding transfer mechanism in IIS 4.0 and 5.0 allows attackers to execute arbitrary code via the processing of HTR request sessions, aka "Heap Overrun in HTR Chunked Encoding Could Enable Web Server Compromise."
Timeline
ID reserved
By mitre
- 11 months later
· 11 months 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 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 33.8% · top 1.6% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (10)
- 4855 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- MS02-028 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- VU#313819 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- 20020612 ADVISORY: Windows 2000 and NT4 IIS .HTR Remote Buffer Overflow (opens in a new tab)mailing-listx_refsource_NTBUGTRAQx_transferred
- iis-htr-chunked-encoding-bo(9327) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20020613 VNA - .HTR HEAP OVERFLOW (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20020612 ADVISORY: Windows 2000 and NT4 IIS .HTR Remote Buffer Overflow [AD20020612] (opens in a new tab)mailing-listx_refsource_VULNWATCHx_transferred
- oval:org.mitre.oval:def:182 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 20020612 ADVISORY: Windows 2000 and NT4 IIS .HTR Remote Buffer Overflow [AD20020612] (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- oval:org.mitre.oval:def:29 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_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)
- 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-2002-0364)Record last updated .