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Fencer Vulns
critical 9.8

CVE-2017-7269 kev in the critical feed json

Buffer overflow in the ScStoragePathFromUrl function in the WebDAV service in Internet Information Services (IIS) 6.0 in Microsoft Windows…

published 2017-03-27 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-16299

cvss
9.8
version 3.1, CNA
cisa kev
Exploited
added 2021-11-03
epss
99.8%
EPSS 99.8% chance of exploitation in 30 days, percentile 99.9%
public exploits
3
Metasploit, Exploit-DB, plus a Nuclei check

Summary

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.

Patch / fix

cisa required action Apply updates per vendor instructions.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSMA-17-215-01 updated cvss 9.8

ICSMA-17-215-01_Siemens Molecular Imaging Vulnerabilities

  • Siemens SPECT Workplaces/Symbia.net Windows XP-Based
    affected: mitigation “In addition, Siemens recommends:”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Timeline

  1. First public exploit (Metasploit exploit/windows/iis/iis_webdav_scstoragepathfromurl)
  2. Published
  3. Added to CISA KEV
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
5 y ago
Patch by
2022-05-03 (4 y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions.
Vendor, product
Microsoft, Internet Information Services (IIS)
CISA name
Microsoft Windows Server Buffer Overflow Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
total
Assessed
21 mo ago

Exploit prediction

99.82% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/iis/iis_webdav_scstoragepathfromurl Microsoft IIS WebDav ScStoragePathFromUrl Overflow metasploit exploit, manual rank, 2017-03-26
  • EDB-41992 Microsoft IIS - WebDav 'ScStoragePathFromUrl' Remote Overflow (Metasploit) remote, 2017-05-11
  • EDB-41738 Microsoft IIS 6.0 - WebDAV 'ScStoragePathFromUrl' Remote Buffer Overflow remote, 2017-03-27
  • Nuclei template Windows Server 2003 & IIS 6.0 - Remote Code Execution nuclei detection template
  • medium.com https://medium.com/%40iraklis/number-of-internet-facing-vulnerable-iis-6-0-to-cve-2017-7269-8bd153ef5812 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/danigargu/explodingcan referenced PoC, tagged "exploit" by a source, unverified
  • 0patch.blogspot.com https://0patch.blogspot.com/2017/03/0patching-immortal-cve-2017-7269.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.