How severe is CVE-2016-1260?

CVE-2016-1260 has a CVSS 3.x base score of 5.3, rated medium 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 low.

Is CVE-2016-1260 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1260?

CVE-2016-1260 primarily affects Juniper Junos. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1260?

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

When was CVE-2016-1260 published?

CVE-2016-1260 was published on 2016-01-15 and last updated on 2026-06-17.

CVE-2016-1260

CVE-2016-1260 is a medium-severity vulnerability in Juniper Junos with a CVSS 3.x base score of 5.3. 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-399.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Juniper Junos
Published: 2016-01-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2016-1260?: CVE-2016-1260 has a CVSS 3.x base score of 5.3, rated medium 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 low.
Is CVE-2016-1260 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1260?: CVE-2016-1260 primarily affects Juniper Junos. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1260?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-1260 published?: CVE-2016-1260 was published on 2016-01-15 and last updated on 2026-06-17.

References

Affected products (13)

cpe:2.3:o:juniper:junos:13.2x51:d15:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.2x51:d20:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.2x51:d21:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.2x51:d25:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.2x51:d26:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.2x51:d30:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:13.2x51:d35:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:*:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d10:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d16:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:d25:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:14.1x53:r1:*:*:*:*:*:*
cpe:2.3:o:juniper:junos:15.2:*:*:*:*:*:*:*

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 →

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →