Paper/Archive/CVE-2021-23859

CVE-2021-23859

Bosch BVMS — Denial of Service and Authentication Bypass Vulnerability in multiple Bosch products

CVSS 9.1 (CNA)9.1 / 10 × 3027.3 Not in CISA KEV+300.0 EPSS percentile 63.0.630 × 2012.6 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

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

Affected

ProductAffectedFixed inSource

BVMSunspecified – 9.0.0–CNA

BVMS11.0 – < 11.0.011.0.0CNA

BVMS10.0 – < 10.0.210.0.2CNA

BVMS10.1 – < 10.1.110.1.1CNA

DIVAR IP 7000 R2all–CNA

DIVAR IP all-in-one 5000all–CNA

DIVAR IP all-in-one 7000all–CNA

VRMunspecified – 3.81–CNA

VRM4.0 – 4.00.0070–CNA

VRM3.83 – 3.83.0021–CNA

VRM3.82 – 3.82.0057–CNA

VRM Exporter2.1 – 2.10.0008–CNA

Scores by source

bosch (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

References

refpsirt.bosch.com/security-advisories/bosch-sa-043434-bt.html