Under certain conditions, RSA operations performed by IBM Common Cryptographic Architecture (CCA) 7.0.0 through 7.5.36 may exhibit non-constant-time behavior. This could allow a remote attacker to obtain sensitive information using a timing-based attack. IBM X-Force ID: 257676.
Published 2024-03-26 14:15:08
Updated 2024-03-26 17:09:53
View at NVD,   CVE.org

Products affected by CVE-2023-33855

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Exploit prediction scoring system (EPSS) score for CVE-2023-33855

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 7 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-33855

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.7
LOW CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
2.2
1.4
IBM Corporation 2024-03-26

CWE ids for CVE-2023-33855

  • Covert timing channels convey information by modulating some aspect of system behavior over time, so that the program receiving the information can observe system behavior and infer protected information.
    Assigned by: psirt@us.ibm.com (Primary)

References for CVE-2023-33855

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