Cyber Resilience

CVE-2020-21363

MediumPublic PoC

Published: 11 August 2021

Published
11 August 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
EPSS Score 0.0037 59.3th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-21363 is a medium-severity Externally Controlled Reference to a Resource in Another Sphere (CWE-610) vulnerability in Maccms Maccms. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 40.7% 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

An arbitrary file deletion vulnerability exists within Maccms10.

CWE(s)
CWE-610

Related Threats

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

Affected Assets

maccms
maccms
10.0

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.

SI-22 Information Diversity
addresses: CWE-610

Limits impact of an externally controlled reference to a primary information resource by switching to an identified alternative.

References