Is CVE-2017-9217 in the CISA KEV catalog?

No. CVE-2017-9217 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-9217?

CVE-2017-9217 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2017-9217?

CVE-2017-9217 has an EPSS score of 15.42% (96th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-9217?

Upgrade systemd on debian 11 to 232-24 or later.

CVE & CISA-KEV Catalog

CVE-2017-9217

HIGHEPSS 96th pctl

7.5

CVSS v3

NVD

Description

systemd-resolved through 233 allows remote attackers to cause a denial of service (daemon crash) via a crafted DNS response with an empty question section.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

systemdDebian

Fixed in:232-24CVE-2017-9217

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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

Exploit Intelligence

15.42%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

Patch2

Third-Party Advisory2

Other references1

security.netapp.com

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

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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.