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CVE-2021-23842

Use of Hard-coded Cryptographic Key

CVSS 5.7 MEDIUMEPSS 0.1%CWE-321
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 5.7EPSS 0.1%KEV nãoPoC Nuclei Metasploit Patch
Lifecycle
19 Jan 2022Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
Communication 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.
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

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