Cyber Resilience

CVE-2021-24175

CriticalPublic PoC

Published: 05 April 2021

Published
05 April 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.8962 99.6th percentile
Risk Priority 73 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-24175 is a critical-severity Improper Authentication (CWE-287) vulnerability in Posimyth The Plus Addons For Elementor. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 0.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The Plus Addons for Elementor Page Builder WordPress plugin before 4.1.7 was being actively exploited to by malicious actors to bypass authentication, allowing unauthenticated users to log in as any user (including admin) by just providing the related username, as…

more

well as create accounts with arbitrary roles, such as admin. These issues can be exploited even if registration is disabled, and the Login widget is not active.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

posimyth
the plus addons for elementor
≤ 4.1.7

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-287

Detects unauthorized successful logons resulting from improper authentication implementations.

addresses: CWE-287

Documented procedures ensure personnel are trained on authentication mechanisms, tangibly lowering the risk of improper authentication being exploited.

addresses: CWE-287

Security awareness training instructs users on secure authentication practices and avoiding credential compromise.

addresses: CWE-287

Training on authentication mechanisms and best practices decreases the occurrence of improper authentication.

addresses: CWE-287

Non-repudiation requires strong authentication mechanisms to irrefutably attribute performed actions to specific individuals or processes.

addresses: CWE-287

Session content review can reveal authentication bypasses or failures in session establishment.

addresses: CWE-287

Review of authentication-related audit records can detect improper authentication mechanisms or bypasses.

addresses: CWE-287

Assessments check authentication mechanisms for correct implementation and effectiveness, reducing successful authentication bypass attempts.

References