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Fencer Intel
medium 5.4

CVE-2018-16555 json

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…

published 7y ago modified 4mo ago also EUVD-2018-8362

cvss
5.4
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

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.

Patch / fix

  • siemens scalance_s602_firmware v4.0.1.1
  • siemens scalance_s612_firmware 4.0.1.1
  • siemens scalance_s623_firmware 4.0.1.1
  • siemens scalance_s627-2m_firmware 4.0.1.1

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-18-317-04 updated cvss 4.7

ICSA-18-317-04 Siemens SCALANCE S

  • Siemens SCALANCE S602 <V4.0.1.1 Siemens SCALANCE S612 <V4.0.1.1 Siemens SCALANCE S623 <V4.0.1.1 Siemens SCALANCE S627-2M <V4.0.1.1
    affected: fixed in V4.0.1.1, mitigation support.industry.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 5.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

  • Siemens AG SCALANCE S602, SCALANCE S612, SCALANCE S623, SCALANCE S627-2M

Classification

Weakness
  • CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.