Cyber Resilience

CVE-2021-31780

High

Published: 23 April 2021

Published
23 April 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0035 58.1th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-31780 is a high-severity Improper Removal of Sensitive Information Before Storage or Transfer (CWE-212) vulnerability in Misp Misp. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 41.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In app/Model/MispObject.php in MISP 2.4.141, an incorrect sharing group association could lead to information disclosure on an event edit. When an object has a sharing group associated with an event edit, the sharing group object is ignored and instead the…

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passed local ID is reused.

CWE(s)

Related Threats

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

Affected Assets

misp
misp
2.4.141

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-212

Eradication of spilled information from contaminated systems mitigates the effects of improper removal of sensitive data before storage or transfer.

addresses: CWE-212

The control requires verified removal of sensitive data before media is made available at a reduced classification level, directly addressing improper removal prior to storage or transfer.

addresses: CWE-212

Explicit procedures to delete inaccurate or outdated PII directly mitigate improper removal of sensitive information before storage or transfer.

addresses: CWE-212

Retention policies enforce removal or sanitization of sensitive data before storage or transfer per regulatory requirements.

addresses: CWE-212

The explicit requirement to delete inaccurate/outdated PII implements proper removal of sensitive information before further storage or transfer.

addresses: CWE-212

The control implements proper removal of sensitive information before storage or transfer of datasets.

addresses: CWE-212

The generate-on-demand-and-delete requirement enforces removal of sensitive information before storage or transfer, preventing improper retention.

addresses: CWE-212

Requires explicit removal of sensitive information prior to component transfer or disposal, reducing exposure from retained data.

References