CVE-2022-42731

HIGH
7.5
CVSS Score
Published: October 11, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:05 AM UTC
1 product affected across 1 vendorDjango MFA2

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

mfa/FIDO2.py in django-mfa2 before 2.5.1 and 2.6.x before 2.6.1 allows a replay attack that could be used to register another device for a user. The device registration challenge is not invalidated after usage.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.5.12.6.0 ≤ v < 2.6.1
Affected range stops below 2.5.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.6.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-294

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