CVE-2017-7269
Microsoft Windows Server Buffer Overflow Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 99.82% probability · 100th percentile
- Public exploits
- 2 in Exploit-DB · verified · first 27 March 2017
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Weakness
- CWE-120
- Affected
- microsoft/internet information services
- Source
- cve@mitre.org
EPSS 99.8% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-7269
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-41992source ↗ | Microsoft IIS - WebDav 'ScStoragePathFromUrl' Remote Overflow (Metasploit)windows · Metasploit | remote | 11 May 2017 | yes |
| EDB-41738source ↗ | Microsoft IIS 6.0 - WebDAV 'ScStoragePathFromUrl' Remote Buffer Overflowwindows · Zhiniang Peng & Chen Wu | remote | 27 March 2017 | no |
References
- http://www.securityfocus.com/bid/97127Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038168Broken Link, Third Party Advisory, VDB Entry
- https://0patch.blogspot.com/2017/03/0patching-immortal-cve-2017-7269.htmlExploit, Third Party Advisory
- https://github.com/danigargu/explodingcanExploit
- https://github.com/edwardz246003/IIS_exploitBroken Link, Third Party Advisory
- https://github.com/rapid7/metasploit-framework/pull/8162Issue Tracking, Patch
- https://medium.com/%40iraklis/number-of-internet-facing-vulnerable-iis-6-0-to-cve-2017-7269-8bd153ef5812Exploit
- https://support.microsoft.com/en-us/help/3197835/description-of-the-security-update-for-windows-xp-and-windows-serverBroken 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
- http://www.securityfocus.com/bid/97127Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038168Broken Link, Third Party Advisory, VDB Entry
- https://0patch.blogspot.com/2017/03/0patching-immortal-cve-2017-7269.htmlExploit, Third Party Advisory
- https://github.com/danigargu/explodingcanExploit
- https://github.com/edwardz246003/IIS_exploitBroken Link, Third Party Advisory
- https://github.com/rapid7/metasploit-framework/pull/8162Issue Tracking, Patch
- https://medium.com/%40iraklis/number-of-internet-facing-vulnerable-iis-6-0-to-cve-2017-7269-8bd153ef5812Exploit
- https://support.microsoft.com/en-us/help/3197835/description-of-the-security-update-for-windows-xp-and-windows-serverBroken 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-2017-7269US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.