CVEs / CVE-2017-7269
CVE-2017-7269: Microsoft Windows Server Buffer Overflow Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 99.8% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Windows Server 2003 R2 contains a buffer overflow vulnerability in Internet Information Services (IIS) 6.0 which allows remote attackers to execute code via a long header beginning with "If: <http://" in a PROPFIND request.
Description
Buffer overflow in the ScStoragePathFromUrl function in the WebDAV service in Internet Information Services (IIS) 6.0 in Microsoft Windows Server 2003 R2 allows remote attackers to execute arbitrary code via a long header beginning with "If: <http://" in a PROPFIND request, as exploited in the wild in July or August 2016.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 3 May 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-120 |
References
- CVE-2017-7269 on NVD
- CVE-2017-7269 in the CISA KEV catalog
- http://www.securityfocus.com/bid/97127 Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038168 Broken Link, Third Party Advisory, VDB Entry
- https://0patch.blogspot.com/2017/03/0patching-immortal-cve-2017-7269.html Exploit, Third Party Advisory
- https://github.com/danigargu/explodingcan Exploit
- https://github.com/edwardz246003/IIS_exploit Broken Link, Third Party Advisory
- https://github.com/rapid7/metasploit-framework/pull/8162 Issue Tracking, Patch
- https://medium.com/%40iraklis/number-of-internet-facing-vulnerable-iis-6-0-to-cve-2017-7269-8bd153ef5812 Exploit
- https://support.microsoft.com/en-us/help/3197835/description-of-the-security-update-for-windows-xp-and-windows-server Broken Link, Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/41738/ Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/41992/ Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-7269 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.