Cyber Resilience

CVE-2021-31987

High

Published: 05 October 2021

Published
05 October 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0014 34.5th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-31987 is a high-severity Improper Validation of Syntactic Correctness of Input (CWE-1286) vulnerability in Axis Axis Os. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 34.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A user controlled parameter related to SMTP test functionality is not correctly validated making it possible to bypass blocked network recipients.

CWE(s)
CWE-1286NVD-CWE-Other

Related Threats

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

Affected Assets

axis
axis os
≤ 10.8
axis
axis os 2016
≤ 6.50.5.5
axis
axis os 2018
≤ 8.40.4.3
axis
axis os 2020
≤ 9.80.3.5

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References