CVE-2021-23842

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Summary

CVECVE-2021-23842
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-01-19 21:15:00 UTC
Updated2022-01-28 17:58:00 UTC
DescriptionCommunication to the AMC2 uses a state-of-the-art cryptographic algorithm for symmetric encryption called Blowfish. An attacker could retrieve the key from the firmware to decrypt network traffic between the AMC2 and the host system. Thus, an attacker can exploit this vulnerability to decrypt and modify network traffic, decrypt and further investigate the device\'s firmware file, and change the device configuration. The attacker needs to have access to the local network, typically even the same subnet.

Risk And Classification

Problem Types: CWE-798

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Bosch Access Management System 3.0 All All All
Application Bosch Access Professional Edition All All All All
Hardware Bosch Amc2 - All All All
Operating System Bosch Amc2 Firmware - All All All
Application Bosch Building Integration System All All All All

References

ReferenceSourceLinkTags
Multiple vulnerabilities in Bosch AMC2 (Access Modular Controller) | Bosch PSIRT CONFIRM psirt.bosch.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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