CVE-2023-22963
MEDIUM
5.3
CVSS Score
Published: January 11, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:36 AM UTC
1 product affected across 1 vendorPersonnummer
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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit
Description
The personnummer implementation before 3.0.3 for Dart mishandles numbers in which the last four digits match the ^000[0-9]$ regular expression.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 3.0.3
Affected range stops below 3.0.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
Third Party Advisory
Source: [email protected]
https://github.com/personnummer/dart/security/advisories/GHSA-4xh4-v2pq-jvhmSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
5.3MEDIUMCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20
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