CVE-2016-3963

mediumpriority · track · 34EPSS 0.082 · 95 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

8.18% (95th) EPSS

CVSS 5 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

Siemens SCALANCE S613 allows remote attackers to cause a denial of service (web-server outage) via traffic to TCP port 443.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationSCALANCE S613 (MLFB 6GK5613-0BA00-2AA3)cisa_csaf_ot
For more information on this vulnerability and more detailed mitigation instructions, please see Siemens Security Advisory SSA-751155 at the following location: (http://www.siemens.com/cert/advisories)
http://www.siemens.com/cert/advisories

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · CISA US

v3.05mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-44721Siemens SCALANCE S613 - Remote Denial of ServicePoC · exploit_db

affected products (4)

Products and version ranges known to be affected.

Siemens SCALANCE S613 (MLFB 6GK5613-0BA00-2AA3): vers:all/*all versionscisa_csaf_otUS
Siemens SCALANCE S613 (MLFB 6GK5613-0BA00-2AA3)≤ vers:all/*cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
siemens scalance s613all versionsnvdUScpe:2.3:h:siemens:scalance_s613:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-16-103-02Siemens SCALANCE S613 Denial-of-Service Vulnerability2016-01-14icsa · cisa_csaf_otUS
This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2016-04-08modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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