How severe is CVE-2019-0067?

CVE-2019-0067 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-0067 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0067?

CVE-2019-0067 primarily affects Juniper Junos. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-0067?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-0067 published?

CVE-2019-0067 was published on 2019-10-09 and last updated on 2026-06-17.

CVE-2019-0067

CVE-2019-0067 is a medium-severity vulnerability in Juniper Junos with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.1
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Juniper Junos
Published: 2019-10-09
Last modified: 2026-06-17

Description

Receipt of a specific link-local IPv6 packet destined to the RE may cause the system to crash and restart (vmcore). By continuously sending a specially crafted IPv6 packet, an attacker can repeatedly crash the system causing a prolonged Denial of Service (DoS). This issue affects Juniper Networks Junos OS: 16.1 versions prior to 16.1R6-S2, 16.1R7; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R3. This issue does not affect Juniper Networks Junos OS version 15.1 and prior versions.

Frequently asked questions

What is CVE-2019-0067?: Receipt of a specific link-local IPv6 packet destined to the RE may cause the system to crash and restart (vmcore). By continuously sending a specially crafted IPv6 packet, an attacker can repeatedly crash the system causing a prolonged Denial of Service (DoS). This issue affects Juniper Networks Junos OS: 16.1 versions prior to 16.1R6-S2, 16.1R7; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R3. This issue does not affect Juniper Networks Junos OS version 15.1 and prior versions.
How severe is CVE-2019-0067?: CVE-2019-0067 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-0067 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0067?: CVE-2019-0067 primarily affects Juniper Junos. In total, 29 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-0067?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-0067 published?: CVE-2019-0067 was published on 2019-10-09 and last updated on 2026-06-17.

References

https://kb.juniper.net/JSA10966

Affected products (29)

cpe:2.3:o:juniper:junos:16.1:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r3-s10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r3-s11:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r5-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.1:r6-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.2:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.2:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.2:r2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.2:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.2:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.2:r2-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.2:r2-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.2:r2-s7:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.2:r2-s8:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:16.2:r2-s9:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.1:-:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.1:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.1:r2-s1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.1:r2-s10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.1:r2-s2:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.1:r2-s3:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.1:r2-s4:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.1:r2-s5:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.1:r2-s6:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:17.1:r2-s7:*:*:*:*:*:*

More vulnerabilities in Juniper Junos

CVE-2021-0248 — Critical (CVSS 10.0): This issue is not applicable to NFX NextGen Software. On NFX Series devices the use of Hard-coded Credentials in…
CVE-2021-0211 — Critical (CVSS 10.0): An improper check for unusual or exceptional conditions in Juniper Networks Junos OS and Junos OS Evolved Routing…
CVE-2020-1614 — Critical (CVSS 10.0): A Use of Hard-coded Credentials vulnerability exists in the NFX250 Series for the vSRX Virtual Network Function (VNF)…
CVE-2017-2343 — Critical (CVSS 10.0): The Integrated User Firewall (UserFW) feature was introduced in Junos OS version 12.1X47-D10 on the Juniper SRX Series…
CVE-2013-4685 — Critical (CVSS 10.0): Buffer overflow in flowd in Juniper Junos 10.4 before 10.4S14, 11.4 before 11.4R7, 12.1 before 12.1R6, and 12.1X44…
CVE-2017-2349 — Critical (CVSS 9.9): A command injection vulnerability in the IDP feature of Juniper Networks Junos OS on SRX series devices potentially…

All CVEs affecting Juniper Junos →