How severe is CVE-2015-1417?

CVE-2015-1417 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2015-1417 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1417?

CVE-2015-1417 primarily affects Freebsd. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-1417?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-1417 published?

CVE-2015-1417 was published on 2017-07-25 and last updated on 2026-06-17.

CVE-2015-1417

CVE-2015-1417 is a high-severity vulnerability in Freebsd with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Freebsd
Published: 2017-07-25
Last modified: 2026-06-17

Description

The inet module in FreeBSD 10.2x before 10.2-PRERELEASE, 10.2-BETA2-p2, 10.2-RC1-p1, 10.1x before 10.1-RELEASE-p16, 9.x before 9.3-STABLE, 9.3-RELEASE-p21, and 8.x before 8.4-STABLE, 8.4-RELEASE-p35 on systems with VNET enabled and at least 16 VNET instances allows remote attackers to cause a denial of service (mbuf consumption) via multiple concurrent TCP connections.

Frequently asked questions

What is CVE-2015-1417?: The inet module in FreeBSD 10.2x before 10.2-PRERELEASE, 10.2-BETA2-p2, 10.2-RC1-p1, 10.1x before 10.1-RELEASE-p16, 9.x before 9.3-STABLE, 9.3-RELEASE-p21, and 8.x before 8.4-STABLE, 8.4-RELEASE-p35 on systems with VNET enabled and at least 16 VNET instances allows remote attackers to cause a denial of service (mbuf consumption) via multiple concurrent TCP connections.
How severe is CVE-2015-1417?: CVE-2015-1417 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2015-1417 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1417?: CVE-2015-1417 primarily affects Freebsd. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-1417?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-1417 published?: CVE-2015-1417 was published on 2017-07-25 and last updated on 2026-06-17.

References

Affected products (56)

cpe:2.3:o:freebsd:freebsd:8.4:-:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:beta1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p11:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p12:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p13:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p14:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p15:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p16:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p17:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p19:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p20:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p21:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p22:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p23:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p24:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p26:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p27:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p30:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p33:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p34:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p7:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p8:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:8.4:p9:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:-:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p10:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p12:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p13:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p16:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p19:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p20:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p5:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p6:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p7:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:9.3:p8:*:*:*:*:*:*

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