CVE-2021-23859

Denial of Service and Authentication Bypass Vulnerability in multiple Bosch products

State: Published
Severity: 9.1 Critical
Published: Dec 8, 2021
Updated: Sep 16, 2024
Reserved: Jan 12, 2021

Description

An unauthenticated attacker is able to send a special HTTP request, that causes a service to crash. In case of a standalone VRM or BVMS with VRM installation this crash also opens the possibility to send further unauthenticated commands to the service. On some products the interface is only local accessible lowering the CVSS base score. For a list of modified CVSS scores, please see the official Bosch Advisory Appendix chapter Modified CVSS Scores for CVE-2021-23859

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H	bosch

Weaknesses

CWE-703 Improper Check or Handling of Exceptional Conditions

Affected Products

Product	Versions
BVMSBosch	9.0.0 and earlierAffected 11.0 to before 11.0.0Affected 10.0 to before 10.0.2Affected 10.1 to before 10.1.1Affected
DIVAR IP 7000 R2Bosch	allAffected
DIVAR IP all-in-one 5000Bosch	allAffected
DIVAR IP all-in-one 7000Bosch	allAffected
VRMBosch	3.81 and earlierAffected 4.0 through 4.00.0070Affected 3.83 through 3.83.0021Affected 3.82 through 3.82.0057Affected
VRM ExporterBosch	2.1 through 2.10.0008Affected
APEBosch	3.8.x.x and earlierAffected
AECBosch	2.9.1.x and earlierAffected
BISBosch	4.9 and earlierAffected 4.8 and earlierAffected 4.7 and earlierAffected

References

https://psirt.bosch.com/security-advisories/bosch-sa-043434-bt.html

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