Is CVE-2017-7401 in the CISA KEV catalog?

No. CVE-2017-7401 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-7401?

CVE-2017-7401 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-7401?

CVE-2017-7401 has an EPSS score of 4.00% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-7401?

Upgrade collectd on debian 11 to 5.7.2-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2017-7401

HIGHEPSS 89th pctl

7.5

CVSS v3

NVD

Description

Incorrect interaction of the parse_packet() and parse_part_sign_sha256() functions in network.c in collectd 5.7.1 and earlier allows remote attackers to cause a denial of service (infinite loop) of a collectd instance (configured with "SecurityLevel None" and with empty "AuthFile" options) via a crafted UDP packet.

CWE-835

How to fix

Remediation Available

collectdDebian

Fixed in:5.7.2-1CVE-2017-7401

collectdUbuntu

Fixed in:5.4.0-3ubuntu2.2+esm1USN-4793-1

Fixed in:5.5.1-1ubuntu0.1~esm1USN-4793-1

collectd-coreUbuntu

Fixed in:5.4.0-3ubuntu2.2+esm1USN-4793-1

Fixed in:5.5.1-1ubuntu0.1~esm1USN-4793-1

libcollectdclient1Ubuntu

Fixed in:5.4.0-3ubuntu2.2+esm1USN-4793-1

Fixed in:5.5.1-1ubuntu0.1~esm1USN-4793-1

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

4.00%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory1

securityfocus.com

Other references3

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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 2026-05-13.