How severe is CVE-2019-18342?

CVE-2019-18342 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-18342 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18342?

CVE-2019-18342 affects Siemens Control Center Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-18342?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-18342 published?

CVE-2019-18342 was published on 2019-12-12 and last updated on 2026-06-17.

CVE-2019-18342

CVE-2019-18342 is a critical-severity vulnerability in Siemens Control Center Server with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-749.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v2: 7.5
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-749
Affected product: Siemens Control Center Server
Published: 2019-12-12
Last modified: 2026-06-17

Description

A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0). The SFTP service (default port 22/tcp) of the Control Center Server (CCS) does not properly limit its capabilities to the specified purpose. In conjunction with CVE-2019-18341, an unauthenticated remote attacker with network access to the CCS server could exploit this vulnerability to read or delete arbitrary files, or access other resources on the same server.

Frequently asked questions

What is CVE-2019-18342?: A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0). The SFTP service (default port 22/tcp) of the Control Center Server (CCS) does not properly limit its capabilities to the specified purpose. In conjunction with CVE-2019-18341, an unauthenticated remote attacker with network access to the CCS server could exploit this vulnerability to read or delete arbitrary files, or access other resources on the same server.
How severe is CVE-2019-18342?: CVE-2019-18342 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-18342 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18342?: CVE-2019-18342 affects Siemens Control Center Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-18342?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-18342 published?: CVE-2019-18342 was published on 2019-12-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:siemens:control_center_server:*:*:*:*:*:*:*:*

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