How severe is CVE-2019-10926?

CVE-2019-10926 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-10926 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-10926?

CVE-2019-10926 primarily affects Siemens Simatic Mv420 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-10926?

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

When was CVE-2019-10926 published?

CVE-2019-10926 was published on 2019-06-12 and last updated on 2026-06-17.

CVE-2019-10926

CVE-2019-10926 is a medium-severity vulnerability in Siemens Simatic Mv420 Firmware with a CVSS 3.x base score of 5.3. 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-319.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 2.6
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Siemens Simatic Mv420 Firmware
Published: 2019-06-12
Last modified: 2026-06-17

Description

A vulnerability has been identified in SIMATIC MV400 family (All Versions < V7.0.6). Communication with the device is not encrypted. Data transmitted between the device and the user can be obtained by an attacker in a privileged network position. The security vulnerability can be exploited by an attacker in a privileged network position which allows eavesdropping the communication between the affected device and the user. The user must invoke a session. Successful exploitation of the vulnerability compromises confidentiality of the data transmitted.

Frequently asked questions

What is CVE-2019-10926?: A vulnerability has been identified in SIMATIC MV400 family (All Versions < V7.0.6). Communication with the device is not encrypted. Data transmitted between the device and the user can be obtained by an attacker in a privileged network position. The security vulnerability can be exploited by an attacker in a privileged network position which allows eavesdropping the communication between the affected device and the user. The user must invoke a session. Successful exploitation of the vulnerability compromises confidentiality of the data transmitted.
How severe is CVE-2019-10926?: CVE-2019-10926 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-10926 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-10926?: CVE-2019-10926 primarily affects Siemens Simatic Mv420 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-10926?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-10926 published?: CVE-2019-10926 was published on 2019-06-12 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:siemens:simatic_mv420_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_mv440_firmware:*:*:*:*:*:*:*:*

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