How severe is CVE-2019-11891?

CVE-2019-11891 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 no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-11891 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-11891?

CVE-2019-11891 affects Bosch Smart Home Controller Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-11891?

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-2019-11891 published?

CVE-2019-11891 was published on 2019-05-29 and last updated on 2026-06-17.

CVE-2019-11891

CVE-2019-11891 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: 5.4
EPSS exploit prediction: 1% (41st 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 pairing mechanism of the Bosch Smart Home Controller (SHC) before 9.8.905 that may result in elevated privileges of the adversary's choosing. In order to exploit the vulnerability, the adversary needs physical access to the SHC during the attack.

Frequently asked questions

What is CVE-2019-11891?: A potential incorrect privilege assignment vulnerability exists in the app pairing mechanism of the Bosch Smart Home Controller (SHC) before 9.8.905 that may result in elevated privileges of the adversary's choosing. In order to exploit the vulnerability, the adversary needs physical access to the SHC during the attack.
How severe is CVE-2019-11891?: CVE-2019-11891 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 no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-11891 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-11891?: CVE-2019-11891 affects Bosch Smart Home Controller Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-11891?: 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-2019-11891 published?: CVE-2019-11891 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:*:*:*:*:*:*:*:*

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