How severe is CVE-2019-18340?

CVE-2019-18340 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-18340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18340?

CVE-2019-18340 primarily affects Siemens Sinvr 3 Central Control Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-18340?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-18340 published?

CVE-2019-18340 was published on 2019-12-12 and last updated on 2026-06-17.

CVE-2019-18340

CVE-2019-18340 is a medium-severity vulnerability in Siemens Sinvr 3 Central Control Server with a CVSS 3.x base score of 5.5. 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-327.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Siemens Sinvr 3 Central Control 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), Control Center Server (CCS) (All versions >= V1.5.0), SiNVR/SiVMS Video Server (All versions < V5.0.0), SiNVR/SiVMS Video Server (All versions >= V5.0.0). Both the SiVMS/SiNVR Video Server and the Control Center Server (CCS) store user and device passwords by applying weak cryptography. A local attacker could exploit this vulnerability to extract the passwords from the user database and/or the device configuration files to conduct further attacks.

Frequently asked questions

What is CVE-2019-18340?: A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0), Control Center Server (CCS) (All versions >= V1.5.0), SiNVR/SiVMS Video Server (All versions < V5.0.0), SiNVR/SiVMS Video Server (All versions >= V5.0.0). Both the SiVMS/SiNVR Video Server and the Control Center Server (CCS) store user and device passwords by applying weak cryptography. A local attacker could exploit this vulnerability to extract the passwords from the user database and/or the device configuration files to conduct further attacks.
How severe is CVE-2019-18340?: CVE-2019-18340 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-18340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18340?: CVE-2019-18340 primarily affects Siemens Sinvr 3 Central Control Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-18340?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-18340 published?: CVE-2019-18340 was published on 2019-12-12 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:siemens:sinvr_3_central_control_server:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:sinvr_3_video_server:*:*:*:*:*:*:*:*

More vulnerabilities in Siemens Sinvr 3 Central Control Server

CVE-2019-18339 — Critical (CVSS 9.8): A vulnerability has been identified in SiNVR/SiVMS Video Server (All versions < V5.0.0). The HTTP service (default port…
CVE-2019-18337 — Critical (CVSS 9.8): A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0). The Control Center Server…
CVE-2019-19292 — High (CVSS 8.8): A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0). The Control Center Server…
CVE-2019-18338 — High (CVSS 7.7): A vulnerability has been identified in Control Center Server (CCS) (All versions < V1.5.0). The Control Center Server…
CVE-2019-19297 — High (CVSS 7.5): A vulnerability has been identified in SiNVR/SiVMS Video Server (All versions < V5.0.0). The streaming service (default…
CVE-2019-19296 — Medium (CVSS 6.8): A vulnerability has been identified in SiNVR/SiVMS Video Server (All versions < V5.0.0). The two FTP services (default…

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