Vulnerability Details : CVE-2023-0343

Akuvox E11 contains a function that encrypts messages which are then forwarded. The IV vector and the key are static, and this may allow an attacker to decrypt messages.
Published 2023-03-31 16:15:07
Updated 2023-04-07 16:46:31
Source ICS-CERT
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-0343

EPSS FAQ
0.14%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-0343

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.5
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
2.8
3.6
 ICS-CERT
7.5
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
 NIST

CWE ids for CVE-2023-0343

  • The product generates and uses a predictable initialization Vector (IV) with Cipher Block Chaining (CBC) Mode, which causes algorithms to be susceptible to dictionary attacks when they are encrypted under the same key.
    Assigned by: ics-cert@hq.dhs.gov (Secondary)
  • The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-0343

Products affected by CVE-2023-0343

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