CVE-2018-16555

lowpriority · track · 22EPSS 0.007 · 53 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.69% (53rd) EPSS

CVSS 3.5 · low

Is it mine?

20 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

A vulnerability has been identified in SCALANCE S602 (All versions < V4.0.1.1), SCALANCE S612 (All versions < V4.0.1.1), SCALANCE S623 (All versions < V4.0.1.1), SCALANCE S627-2M (All versions < V4.0.1.1). The integrated web server could allow Cross-Site Scripting (XSS) attacks if unsuspecting users are tricked into accessing a malicious link. User interaction is required for a successful exploitation. The user must be logged into the web interface in order for the exploitation to succeed. At the stage of publishing this security advisory no public exploitation is known.

remediations

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

A vendor fix is available.

FixedSCALANCE S602cisa_csaf_ot
Update to V4.0.1.1 - Download: https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0&lc=en-WW
https://support.industry.siemens.com/cs/document/109477325/
FixedSCALANCE S612cisa_csaf_ot
Update to V4.0.1.1 - Download: https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0&lc=en-WW
https://support.industry.siemens.com/cs/document/109477325/
FixedSCALANCE S623cisa_csaf_ot
Update to V4.0.1.1 - Download: https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0&lc=en-WW
https://support.industry.siemens.com/cs/document/109477325/
FixedSCALANCE S627-2Mcisa_csaf_ot
Update to V4.0.1.1 - Download: https://support.industry.siemens.com/cs/document/109477325/-delivery-release-and-download-of-firmware-update-v4-0-1-1-for-scalance-s?dti=0&lc=en-WW
https://support.industry.siemens.com/cs/document/109477325/
MitigationSCALANCE S602cisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk:the SCALANCE S administration website. Only access links from trusted sources in the browser you use to access
MitigationSCALANCE S612cisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk:the SCALANCE S administration website. Only access links from trusted sources in the browser you use to access
MitigationSCALANCE S623cisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk:the SCALANCE S administration website. Only access links from trusted sources in the browser you use to access
MitigationSCALANCE S627-2Mcisa_csaf_ot
Siemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk:the SCALANCE S administration website. Only access links from trusted sources in the browser you use to access

cvss

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

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.4

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.05.4mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.04.7mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:Csecondary · CISA US

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

v3.14.7mediumAV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79USCWE-80USCWE-80US

affected products (20)

Products and version ranges known to be affected.

SCALANCE S602all versionscisa_csaf_otUS
SCALANCE S612all versionscisa_csaf_otUS
SCALANCE S623all versionscisa_csaf_otUS
SCALANCE S627-2Mall versionscisa_csaf_otUS
Siemens SCALANCE S602< V4.0.1.1cisa_csaf_otUS
Siemens SCALANCE S612< V4.0.1.1cisa_csaf_otUS
Siemens SCALANCE S623< V4.0.1.1cisa_csaf_otUS
Siemens SCALANCE S627-2M< V4.0.1.1cisa_csaf_otUS
Siemens AG SCALANCE S602, SCALANCE S612, SCALANCE S623, SCALANCE S627-2MSCALANCE S602 : All versions → V4.0.1.1enisa_euvdEU
Siemens AG SCALANCE S602, SCALANCE S612, SCALANCE S623, SCALANCE S627-2MSCALANCE S612 : All versions → V4.0.1.1enisa_euvdEU
Siemens AG SCALANCE S602, SCALANCE S612, SCALANCE S623, SCALANCE S627-2MSCALANCE S623 : All versions → V4.0.1.1enisa_euvdEU
Siemens AG SCALANCE S602, SCALANCE S612, SCALANCE S623, SCALANCE S627-2MSCALANCE S627-2M : All versions → V4.0.1.1enisa_euvdEU
Siemens AG Siemens SCALANCE S602≤ V4.0.1.1fstec_bduRU
Siemens AG Siemens SCALANCE S612≤ V4.0.1.1fstec_bduRU
Siemens AG Siemens SCALANCE S623≤ V4.0.1.1fstec_bduRU
Siemens AG Siemens SCALANCE S627-2M≤ V4.0.1.1fstec_bduRU
siemens scalance s602 firmware< v4.0.1.1nvdUScpe:2.3:o:siemens:scalance_s602_firmware:*:*:*:*:*:*:*:*
siemens scalance s612 firmware< 4.0.1.1nvdUScpe:2.3:o:siemens:scalance_s612_firmware:*:*:*:*:*:*:*:*
siemens scalance s623 firmware< 4.0.1.1nvdUScpe:2.3:o:siemens:scalance_s623_firmware:*:*:*:*:*:*:*:*
siemens scalance s627-2m firmware< 4.0.1.1nvdUScpe:2.3:o:siemens:scalance_s627-2m_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-18-317-04ICSA-18-317-04 Siemens SCALANCE S2018-11-13icsa · cisa_csaf_otUS
CISA recommends users take defensive measures to minimize the exploitation risk of this vulnerability.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2018-12-13modified 2026-06-17

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+53003 more

references (6)

External citations — patches, advisories, analysis.

scry

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