Cyber Resilience

CVE-2021-24472

CriticalPublic PoC

Published: 02 August 2021

Published
02 August 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 0.8982 99.6th percentile
Risk Priority 73 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-24472 is a critical-severity SSRF (CWE-918) vulnerability in Qantumthemes Kentharadio. 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 OnAir2 WordPress theme before 3.9.9.2 and QT KenthaRadio WordPress plugin before 2.0.2 have exposed proxy functionality to unauthenticated users, sending requests to this proxy functionality will have the web server fetch and display the content from any URI, this…

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would allow for SSRF (Server Side Request Forgery) and RFI (Remote File Inclusion) vulnerabilities on the website.

CWE(s)

Related Threats

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

Affected Assets

qantumthemes
kentharadio
≤ 2.0.2
qantumthemes
onair2
≤ 3.9.9.2

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-918

Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.

addresses: CWE-918

Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.

addresses: CWE-918

Validates server-side URLs and resource references to block SSRF attempts.

addresses: CWE-918

Detects server-side request forgery through monitoring of unexpected outbound connections.

References