mayswind ezBookkeeping before 2.0.0 fails to invalidate TOTP passcodes after use, allowing attackers to replay captured codes within the acceptance window. Attackers with stolen credentials can authenticate and reuse a captured passcode against multiple authorization attempts for approximately 90 seconds without detection.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Mayswind Ezbookkeeping
cpe:2.3:a:mayswind:ezbookkeeping:*:*:*:*:*:*:*:*
|
— |
2.0.0
|
References 4
https://github.com/mayswind/ezbookkeeping/security/advisories/GHSA-p6qr-48g6-97…
GitHub Security Advisory (GHSA-p6qr-48g6-97q3)
https://github.com/mayswind/ezbookkeeping/commit/3dd6286d7a3ab0f980a6d36339b9c9…
NVD
https://github.com/mayswind/ezbookkeeping/releases/tag/v2.0.0
ezBookkeeping v2.0.0 Release Notes
https://www.vulncheck.com/advisories/mayswind-ezbookkeeping-before-2.0.0-totp-r…
VulnCheck Advisory: mayswind ezBookkeeping before 2.0.0 TOTP Replay Attack