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Fencer Intel
critical 9.8

CVE-2019-18337 json

A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0).

published 6y ago modified 4mo ago also EUVD-2019-8126

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0). The Control Center Server (CCS) contains an authentication bypass vulnerability in its XML-based communication protocol as provided by default on ports 5444/tcp and 5440/tcp.

A remote attacker with network access to the CCS server could exploit this vulnerability to read the CCS users database, including the passwords of all users in obfuscated cleartext.

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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-20-070-01 updated cvss 9.8

ICSA-20-070-01_Siemens and PKE SiNVR/SiVMS Video Server (Update B)

  • Siemens Control Center Server (CCS) <V1.5.0
    affected: fixed in V1.5.0, mitigation

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

cisa ICSA-21-103-10 updated cvss 9.8

Siemens and PKE Control Center Server

  • Siemens Control Center Server (CCS) < V1.5.0
    affected: fixed in V1.5.0, mitigation “CVE-2019-18340 - Harden the CCS server to prevent local access by unauthorized users” sivms.cloud

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2y ago

Exploit prediction

2.54% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Siemens Control Center Server (CCS)

Classification

Weakness

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.