How severe is CVE-2019-19276?

CVE-2019-19276 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2019-19276 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19276?

CVE-2019-19276 primarily affects Siemens Simatic Hmi Ktp Mobile Panels Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-19276?

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

When was CVE-2019-19276 published?

CVE-2019-19276 was published on 2021-05-12 and last updated on 2026-06-17.

CVE-2019-19276

CVE-2019-19276 is a medium-severity vulnerability in Siemens Simatic Hmi Ktp Mobile Panels 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-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Siemens Simatic Hmi Ktp Mobile Panels Firmware
Published: 2021-05-12
Last modified: 2026-06-17

Description

A vulnerability has been identified in SIMATIC HMI Comfort Panels 1st Generation (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels (All versions < V16 Update 4). Specially crafted packets sent to port 161/udp can cause the SNMP service of affected devices to crash. A manual restart of the device is required to resume operation of the service.

Frequently asked questions

What is CVE-2019-19276?: A vulnerability has been identified in SIMATIC HMI Comfort Panels 1st Generation (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels (All versions < V16 Update 4). Specially crafted packets sent to port 161/udp can cause the SNMP service of affected devices to crash. A manual restart of the device is required to resume operation of the service.
How severe is CVE-2019-19276?: CVE-2019-19276 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2019-19276 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19276?: CVE-2019-19276 primarily affects Siemens Simatic Hmi Ktp Mobile Panels Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-19276?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-19276 published?: CVE-2019-19276 was published on 2021-05-12 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-594364.pdf

Affected products (6)

cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16:-:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16:update_2:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16:update_3:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16:-:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16:update_2:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16:update_3:*:*:*:*:*:*

More vulnerabilities in Siemens Simatic Hmi Ktp Mobile Panels Firmware

CVE-2020-15798 — Critical (CVSS 9.8): A vulnerability has been identified in SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions < V16 Update…
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