CVE-2016-8561

mediumpriority · track · 27EPSS 0.016 · 75 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.58% (75th) EPSS

CVSS 6 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · siemens_psirt

EPSS · scored 2026-10-28

A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28). Users with elevated privileges to TIA-Portal and project data on the engineering station could possibly get privileged access on affected devices.

remediations

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

A vendor fix is available.

FixedSIMATIC CP 1543-1siemens_psirt
Update to V2.0.28 or later version
https://support.industry.siemens.com/cs/ww/en/view/109808678/
FixedSIPLUS NET CP 1543-1siemens_psirt
Update to V2.0.28 or later version
https://support.industry.siemens.com/cs/ww/en/view/109808678/

cvss

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

6.6

010

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

v2.06mediumAV:N/AC:M/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 6.8 · impact 6.4

v3.06.6mediumCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.7 · impact 5.9

v3.06.1mediumCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.16.6mediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264USprimaryCWE-269US

affected products (4)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
siemens simatic cp 1543-1 firmwareall versionsnvdUScpe:2.3:o:siemens:simatic_cp_1543-1_firmware:*:*:*:*:*:*:*:*
Siemens SIMATIC CP 1543-1< V2.0.28siemens_psirtDE
Siemens SIPLUS NET CP 1543-1< V2.0.28siemens_psirtDE

advisories (1)

Vendor and ecosystem advisories describing this.

SSA-672373SSA-672373: Vulnerabilities in CP 1543-1 before V2.0.282016-11-18csaf · siemens_psirtDE
SIMATIC CP 1543-1 devices before V2.0.28 contain two vulnerabilities that could allow authorized users to escalate their privileges on the CP or create a denial of service condition. Siemens has released updates for the affected products and recommends to update to the latest versions.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd siemens_psirt NVD CVE.org MITRE

published 2016-11-18modified 2026-06-17

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+8950 more

references (13)

External citations — patches, advisories, analysis.

scry

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