WS-2020-0164
Published:May 14, 2026
Updated:May 14, 2026
personnummer is vulnerable to validation bypass. In Python, CSharp, PHP all versions before 3.0.2. In D, Go, Lua, Ruby, Scala all versions before 3.0.1. In Dart before 3.0.3. In Elixir, Perl, Rust before 3.0.0. In Java before 3.3.0. In JavaScript before 3.1.0. In Kotlin before 1.1.0. In Swift before 1.0.1.
Affected Packages
personnummer (NUGET):
Affected version(s) >=1.0.0 <3.0.2Fix Suggestion:
Update to version 3.0.2pinefox/personnummer (PHP):
Affected version(s) >=v1.0.0 <v3.0.2Fix Suggestion:
Update to version v3.0.2personnummer/personnummer (PHP):
Affected version(s) >=v3.0.0 <v3.0.2Fix Suggestion:
Update to version v3.0.2frozzare/personnummer (PHP):
Affected version(s) >=v3.0.0 <v3.0.2Fix Suggestion:
Update to version v3.0.2personnummer/personnummer (PHP):
Affected version(s) >=v1.0.0 <dev-renovate/actions-checkout-3.xFix Suggestion:
Update to version dev-renovate/actions-checkout-3.xfrozzare/personnummer (PHP):
Affected version(s) >=v1.0.0 <dev-renovate/actions-checkout-3.xFix Suggestion:
Update to version dev-renovate/actions-checkout-3.xpersonnummer (PYTHON):
Affected version(s) >=1.0.0 <3.0.3Fix Suggestion:
Update to version 3.0.3Related Resources (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
2.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE