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01 Record

CVE-2022-23003

Shared secret or Point multiplication of NIST P-256 points with X coordinate of zero

MediumPUBLISHEDCNA: WDC PSIRT
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

02 Description

Shared secret or Point multiplication of NIST P-256 points with X coordinate of zero

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.72% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 53.4% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-07-29 18:54Z4 YR AGO
Last updated
2024-08-03 03:28Z2 YR AGO
Reserved
2022-01-10
Assigning CNA
WDC PSIRT
Record state
PUBLISHED
Severity
Medium (CVSS 5.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Weaknesses
  • CWE-703Improper Check or Handling of Exceptional ConditionsPillar
  • CWE-682Incorrect CalculationPillar
Data version
5.1
Document digest
ae72be8a29174acc091b543a94c5efd61f3e5e758efbcadcf0f4d0e28fa61dfa

05 Affected products

VendorProductVersionsPlatforms
Western DigitalSweet B Library< v2—

06 References

07 Remediation

The vulnerability was addressed by fully reducing the output modulo the field prime. To get the latest version of the Sweet B library, update your local repository from https://github.com/westerndigitalcorporation/sweet-b