No exploitation reportedFix available

CVE-2017-6872

No exploitation reported by the sources we read.

Published2017-08-08
WeaknessCWE-306 · CWE-668

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

A vulnerability was discovered in Siemens OZW672 (all versions) and OZW772 (all versions) that could allow an attacker with access to port 21/tcp to access or alter historical measurement data stored on the device.

Timeline

dates in UTC

2017-08-0800:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 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-2017-6872?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-6872?format=csv
TAXII collection of exploited CVEs
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Versions per branch

NVD

Siemens ozw672 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Siemens ozw772 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	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

ICSA-17-187-01 CISA2 known affected
Siemens OZW672 and OZW772
OZW672: All versions · OZW772: All versions

Full record on NVD

Fix

Vendor fix CISA ICSA-17-187-01 · 2 productsSiemens recommends applying the following mitigations:
Vendor fix CISA ICSA-17-187-01 · 2 productsFor more information on this vulnerability and more detailed mitigation instructions, please see Siemens Security Advisory SSA-563539 at the following location:
Vendor fix CISA ICSA-17-187-01 · 2 productshttp://www.siemens.com/cert/advisories

Advisories and patches

www.siemens.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.06.5read 2026-10-23
NVDCVSS 2.06.4read 2026-10-23
CNAweakness (CWE)CWE-306read 2026-10-23
NVDweakness (CWE)CWE-668read 2026-10-23
FIRST EPSSEPSS score0.8 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Published: 2017-08-08
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-6872?

Is CVE-2017-6872 actively exploited?

Active exploitation of CVE-2017-6872 has not been confirmed. Its EPSS score was 0.8% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-6872?

CVE-2017-6872 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

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