VulnerabilityModified
CVE-2022-42731
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.
HIGH 7.5EPSS 1.07%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public 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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.07% probability · 63th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-294
- Affected
- django-mfa2 project/django-mfa2
- Source
- cve@mitre.org
References
- https://github.com/mkalioby/django-mfa2/blob/0936ea253354dd95cb127f09d0efa31324caef27/mfa/FIDO2.py#L58Exploit, Third Party Advisory
- https://github.com/mkalioby/django-mfa2/releases/tag/v2.5.1-releaseRelease Notes, Third Party Advisory
- https://github.com/mkalioby/django-mfa2/releases/tag/v2.6.1-releaseRelease Notes, Third Party Advisory
- https://github.com/mkalioby/django-mfa2/blob/0936ea253354dd95cb127f09d0efa31324caef27/mfa/FIDO2.py#L58Exploit, Third Party Advisory
- https://github.com/mkalioby/django-mfa2/releases/tag/v2.5.1-releaseRelease Notes, Third Party Advisory
- https://github.com/mkalioby/django-mfa2/releases/tag/v2.6.1-releaseRelease Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.