ExploitedIn CISA KEVFix available

CVE-2017-7269

Q: Is CVE-2017-7269 actively exploited?

Yes. CVE-2017-7269 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.

Q: What is the CVSS score for CVE-2017-7269?

CVE-2017-7269 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Exploitation confirmed. First attested on 2021-11-03 by CISA-ADP, CISA KEV, GCVE · kevintel.

Published2017-03-27
WeaknessCWE-120

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2017-03-2702:59CVE publishedNVD
2021-11-03Listed as exploited by GCVEGCVE
2021-11-03Exploitation first reportedCISA KEV
2021-11-03Added to the CISA KEV catalogCISA KEV
2025-02-0420:45SSVC exploitation set to activeCISA-ADP
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-7269?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-7269?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Microsoft IISversion to verify

Branch	Affected	Fixed in	Source
6.0	= 6.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSMA-17-215-01 CISA1 known affected
ICSMA-17-215-01_Siemens Molecular Imaging Vulnerabilities
Siemens SPECT Workplaces/Symbia.net: All Windows XP-based versions

Full record on NVD

Fix

CISA’s required action: Apply updates per vendor instructions.due 2022-05-03
Mitigation from the vendor CISA ICSMA-17-215-01 · 4 productsIn addition, Siemens recommends:

Advisories and patches

github.comPatch
support.microsoft.comPatch · Vendor Advisory

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: EDB-41738 EDB-41992
Proof-of-concept repositories: 19 repositories, unverifiedeliuha/webdav_exploitlcatro/CVE-2017-7269-Echo-PoCcaicai1355/CVE-2017-7269-exploitwhiteHat001/cve-2017-7269picturezcgonvh/cve-2017-7269

CISA Known Exploited Vulnerability

Date Added: 2021-11-03
Patch Due Date: 2022-05-03
Ransomware Use: Unknown
Required Action: Apply updates per vendor instructions.

Sources

CISA KEVKEV entry2021-11-03
GCVEexploitation2021-11-03
CISA-ADPSSVC decisionactive2025-02-04
OpenCVESSVC decisionactive—
CISA-ADPCVSS 3.19.82025-02-04
NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.010read 2026-10-23
CISA-ADPweakness (CWE)CWE-1202025-02-04
NVDweakness (CWE)CWE-120read 2026-10-23
FIRST EPSSEPSS score99.8 %read 2026-10-23
PoC-in-GitHubproof of concept19read 2026-10-23
Exploit-DBdetectionread 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2017-03-27
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2017-7269?

Is CVE-2017-7269 actively exploited?

Yes. CVE-2017-7269 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-05-03.

What is the CVSS score for CVE-2017-7269?

CVE-2017-7269 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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