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Fencer Vulns
critical 9.1

CVE-2018-13808 json

A vulnerability has been identified in CP 1604 (All versions), CP 1616 (All versions).

published 2019-04-17 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-5744

cvss
9.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

A vulnerability has been identified in CP 1604 (All versions), CP 1616 (All versions). An attacker with network access to port 23/tcp could extract internal communication data or cause a Denial-of-Service condition. Successful exploitation requires network access to a vulnerable device. At the time of advisory publication no public exploitation of this vulnerability was known.

Vendor advisories

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

cisa ICSA-19-043-06 updated cvss 9.1

ICSA-19-043-06 Siemens CP1604 and CP1616 (Update A)

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

Exploit prediction

1.77% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 9.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P

Affected products

  • Siemens CP 1604
  • Siemens CP 1616

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns 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.