CVE-2024-13239
Two-Factor Authentication Project Two-Factor Authentication ≤ 8.x-1.5
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2024-13239 is a critical-severity Weak Authentication (CWE-1390) vulnerability in Two-Factor Authentication Project Two-Factor Authentication. Its CVSS base score is 9.8 (Critical).
Operationally, ranked at the 45th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified map to IA-12 (Identity Proofing) and IA-2 (Identification and Authentication (Organizational Users)) — see the control section below for these in your framework.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
CVE-2024-13239 is a weak authentication vulnerability in the Drupal Two-factor Authentication (TFA) module that allows authentication abuse. The issue affects TFA versions from 0.0.0 before 1.5.0 and is associated with CWE-1390 and NVD-CWE-Other.
With a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), the vulnerability enables unauthenticated attackers accessible over the network to exploit it with low complexity and no user interaction. Successful exploitation can lead to high impacts on confidentiality, integrity, and availability, potentially allowing full compromise of affected systems through authentication abuse.
The Drupal security advisory SA-CONTRIB-2024-003 at https://www.drupal.org/sa-contrib-2024-003 provides details on mitigation, including the patch released in TFA version 1.5.0. Security practitioners should update to the fixed version promptly.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-51453
Vulnerability Data
Weak Authentication vulnerability in Drupal Two-factor Authentication (TFA) allows Authentication Abuse.This issue affects Two-factor Authentication (TFA): from 0.0.0 before 1.5.0.
- CWE(s)
Related Threats
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Requires identity proofing at appropriate assurance levels before granting accounts, directly addressing insufficient proof of identity.
Requires unique identification and authentication of users, directly stopping weak mechanisms from being used.
Requires device identification and authentication before establishing connections.
Extends strong identification and authentication requirements to non-organizational users.
Mandates proper authenticator issuance, management, and strength to ensure claimed identities are verified.
Enforces access decisions based on authenticated identities, making weak authentication less exploitable.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
A.5.17 directly mandates non-guessable unique secrets, identity verification before issuance, secure transmission, immediate default changes, strong password enforcement, no reuse, and protected storage/transmission, which stops exploitation of most insufficient-proof cases in CWE-1390; the bounded remainder is non-password mechanisms (e.g. biometrics, certificates) or flawed protocol-level proof not covered by these password-centric rules.
A.8.5 directly mandates choosing sufficiently strong authentication techniques (including MFA, biometrics with fallback, brute-force protection, secure log-on procedures) that prove claimed identity, which stops exploitation of insufficient proof for most but not all cases in CWE-1390 (e.g. residual protocol-level or implementation-specific flaws remain possible).
Hardening callouts derived
DISA STIG baselines are authored against specific weaknesses. Where this CVE cites a broad weakness class, the mapping is not asserted at that abstraction (owner ruling, 2026-09-25: grade only at Base and below), so no rule is shown here rather than a rule shown against the wrong grain.