How severe is CVE-2019-11893?

CVE-2019-11893 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-11893 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-11893?

CVE-2019-11893 affects Bosch Smart Home Controller Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-11893?

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

When was CVE-2019-11893 published?

CVE-2019-11893 was published on 2019-05-29 and last updated on 2026-06-17.

CVE-2019-11893

CVE-2019-11893 is a high-severity vulnerability in Bosch Smart Home Controller Firmware with a CVSS 3.x base score of 8.0. 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-269.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 4.9
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Bosch Smart Home Controller Firmware
Published: 2019-05-29
Last modified: 2026-06-17

Description

A potential incorrect privilege assignment vulnerability exists in the app permission update API of the Bosch Smart Home Controller (SHC) before 9.8.905 that may result in a restricted app obtaining default app permissions. In order to exploit the vulnerability, the adversary needs to have successfully paired an app with restricted permissions, which required user interaction.

Frequently asked questions

What is CVE-2019-11893?: A potential incorrect privilege assignment vulnerability exists in the app permission update API of the Bosch Smart Home Controller (SHC) before 9.8.905 that may result in a restricted app obtaining default app permissions. In order to exploit the vulnerability, the adversary needs to have successfully paired an app with restricted permissions, which required user interaction.
How severe is CVE-2019-11893?: CVE-2019-11893 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-11893 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-11893?: CVE-2019-11893 affects Bosch Smart Home Controller Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-11893?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-11893 published?: CVE-2019-11893 was published on 2019-05-29 and last updated on 2026-06-17.

References

https://psirt.bosch.com/Advisory/BOSCH-SA-662084.html

Affected products (1)

cpe:2.3:o:bosch:smart_home_controller_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Bosch Smart Home Controller Firmware

CVE-2019-11892 — High (CVSS 8.0): A potential improper access control vulnerability exists in the JSON-RPC interface of the Bosch Smart Home Controller…
CVE-2019-11891 — High (CVSS 8.0): A potential incorrect privilege assignment vulnerability exists in the app pairing mechanism of the Bosch Smart Home…
CVE-2019-11896 — High (CVSS 7.1): A potential incorrect privilege assignment vulnerability exists in the 3rd party pairing mechanism of the Bosch Smart…
CVE-2019-11894 — Medium (CVSS 5.7): A potential improper access control vulnerability exists in the backup mechanism of the Bosch Smart Home Controller…
CVE-2019-11895 — Medium (CVSS 5.3): A potential improper access control vulnerability exists in the JSON-RPC interface of the Bosch Smart Home Controller…

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