Is CVE-2017-7651 in the CISA KEV catalog?

No. CVE-2017-7651 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-7651?

CVE-2017-7651 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-7651?

CVE-2017-7651 has an EPSS score of 5.29% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-7651?

Upgrade mosquitto on debian 11 to 1.4.15-1 or later.

CVE & CISA-KEV Catalog

CVE-2017-7651

HIGHEPSS 92th pctl

7.5

CVSS v3

NVD

Description

In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by filling the RAM memory with a lot of connections with large payload. This can be done without authentications if occur in connection phase of MQTT protocol.

CWE-789 CWE-400Resource Exhaustion

How to fix

Remediation Available

mosquittoDebian

Fixed in:1.4.15-1CVE-2017-7651

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

5.29%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Patch1

mosquitto.org

Exploit1

bugs.eclipse.org

Third-Party Advisory3

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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.