Improper access control in the backup mechanism of the Bosch Smart Home Controller (SHC)

published 2019-05-29 7y ago modified 2026-06-17 4mo ago also EUVD-2019-3552

cvss: 5.7; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits: 0; none known

A potential improper access control vulnerability exists in the backup mechanism of the Bosch Smart Home Controller (SHC) before 9.8.905 that may result in unauthorized download of a backup. In order to exploit the vulnerability, the adversary needs to download the backup directly after a backup triggered by a legitimate user has been completed.

Patch / fix

fixed in 1

Bosch Smart Home Controller 9.8.905

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Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.7	CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD	3.1	5.7	CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD	2.0	2.9	AV:A/AC:M/Au:N/C:P/I:N/A:N

Affected products

Bosch Smart Home Controller

Classification

Weakness

CWE-284 Improper Access Control

References

psirt.bosch.com /Advisory/BOSCH-SA-662084.html
vendor-advisory

Sources

CVE List CVE-2019-11894
NVD CVE-2019-11894

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