What is CVE-2016-1275?

CVE-2016-1275 is a medium-severity vulnerability in Juniper Junos, classified under CWE-399. CVSS score: 6.5/10. Published 2016-09-09.

How severe is CVE-2016-1275?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Juniper Junos

CVE-2016-1275

Juniper Junos OS before 13.3R9, 14.1R6 before 14.1R6-S1, and 14.1 before 14.1R7, when configured with VPLS routing-instances, allows remote attackers to obtain sensitive mbuf information by injecting a flood of Ethernet frames with IPv6 MAC addresses directly into a connected interface.

Published 2016-09-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Juniper Junos — versions 14.1

Weakness classification (CWE)

CWE-399

References

www.securitytracker.com/id/1036301 (vdb-entry)
www.securityfocus.com/bid/91758 (vdb-entry)
kb.juniper.net/InfoCenter/index (Vendor Advisory)

Frequently asked questions

What is CVE-2016-1275?: CVE-2016-1275 is a medium-severity vulnerability in Juniper Junos, classified under CWE-399. CVSS score: 6.5/10. Published 2016-09-09.
How severe is CVE-2016-1275?: Medium severity. CVSS v3 base score is 6.5 out of 10.