Is CVE-2021-31987 in the CISA KEV catalog?

No. CVE-2021-31987 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-31987?

CVE-2021-31987 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-31987?

CVE-2021-31987 has an EPSS score of 0.86% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-31987?

Upgrade axis os to 10.8 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2021-31987

HIGH

7.5

CVSS v3

NVD

Description

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

CWE-1286

How to fix

Remediation Available

axis osNVD

Affected:< 10.8Fixed in:10.8CVE-2021-31987derived from NVD

axis os 2016NVD

Affected:< 6.50.5.5Fixed in:6.50.5.5CVE-2021-31987derived from NVD

axis os 2018NVD

Affected:< 8.40.4.3Fixed in:8.40.4.3CVE-2021-31987derived from NVD

axis os 2020NVD

Affected:< 9.80.3.5Fixed in:9.80.3.5CVE-2021-31987derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.86%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Vendor Advisory1

axis.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.