What is CVE-2016-1260?

CVE-2016-1260 is a medium-severity vulnerability in Juniper Junos, classified under CWE-399. CVSS score: 5.3/10. Published 2016-01-15.

How severe is CVE-2016-1260?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Juniper Junos

CVE-2016-1260

Juniper Junos OS before 13.2X51-D36, 14.1X53 before 14.1X53-D25, and 15.2 before 15.2R1 on EX4300 series switches allow remote attackers to cause a denial of service (network loop and bandwidth consumption) via unspecified vectors related to Spanning Tree Protocol (STP) traffic.

Published 2016-01-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.017 (76.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Juniper Junos — versions 13.2x51, 14.1x53, 15.2

Weakness classification (CWE)

CWE-399

References

kb.juniper.net/InfoCenter/index (Vendor Advisory)
www.securitytracker.com/id/1035106 (vdb-entry)

Frequently asked questions

What is CVE-2016-1260?: CVE-2016-1260 is a medium-severity vulnerability in Juniper Junos, classified under CWE-399. CVSS score: 5.3/10. Published 2016-01-15.
How severe is CVE-2016-1260?: Medium severity. CVSS v3 base score is 5.3 out of 10.