No exploitation reported

CVE-2016-1263

No exploitation reported by the sources we read.

Published2016-09-09
WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Juniper Junos OS before 12.1X46-D45, 12.1X46-D50, 12.1X47 before 12.1X47-D35, 12.3X48 before 12.3X48-D30, 13.3 before 13.3R9-S1, 14.1 before 14.1R7, 14.2 before 14.2R6, 15.1 before 15.1F2-S5, 15.1F4 before 15.1F4-S2, 15.1R before 15.1R2-S3, 15.1 before 15.1R3, and 15.1X49 before 15.1X49-D40 allow remote attackers to cause a denial of service (kernel crash) via a crafted UDP packet destined to the interface IP address of a 64-bit OS device.

Timeline

dates in UTC

2016-09-0914:05CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-1263?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-1263?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Juniper junos

Branch	Affected	Fixed in	Source
12.1	≤ 12.1x46	no fix published	NVD
12.1	= 12.1x47	no fix published	NVD
12.3	= 12.3x48	no fix published	NVD
13.3	= 13.3	no fix published	NVD
14.1	= 14.1	no fix published	NVD
14.2	= 14.2	no fix published	NVD
15.1	= 15.1	no fix published	NVD
15.1	= 15.1x49	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

kb.juniper.netVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.07.8read 2026-10-23
NVDweakness (CWE)CWE-20read 2026-10-23
FIRST EPSSEPSS score1.4 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2016-09-09
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-1263?

Is CVE-2016-1263 actively exploited?

Active exploitation of CVE-2016-1263 has not been confirmed. Its EPSS score was 1.4% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-1263?

CVE-2016-1263 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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