Is CVE-2021-35067 in the CISA KEV catalog?

No. CVE-2021-35067 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-35067?

CVE-2021-35067 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2021-35067?

CVE-2021-35067 has an EPSS score of 0.91% (55th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-35067?

Upgrade msg100 firmware to 3.2.3 or later.

CVE & CISA-KEV Catalog

CVE-2021-35067

HIGH

8.1

CVSS v3

NVD

Description

Meross MSG100 devices before 3.2.3 allow an attacker to replay the same data or similar data (e.g., an attacker who sniffs a Close message can transmit an acceptable Open message).

CWE-294

How to fix

Remediation Available

msg100 firmwareNVD

Affected:< 3.2.3Fixed in:3.2.3CVE-2021-35067derived 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 ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.91%probability of exploitation in 30 days

55thpercentile

Moderate risk: more likely to be exploited than 55% of all known CVEs.

References

Exploit2

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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.