What is CVE-2016-1261?

CVE-2016-1261 is a high-severity vulnerability in Juniper Junos, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.1/10. Published 2017-10-13.

How severe is CVE-2016-1261?

High severity. CVSS v3 base score is 7.1 out of 10.

CSRF in Juniper Junos

CVE-2016-1261

J-Web does not validate certain input that may lead to cross-site request forgery (CSRF) issues or cause a denial of J-Web service (DoS).

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2017-10-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (29.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Juniper Junos — versions 12.1x44, 12.1x46, 12.1x47
Juniper Networks Junos OS — versions 15.1X49 prior to 15.1X49-D20, 12.3 prior to 12.3R11, 12.3X48 prior to 12.3X48-D30

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

kb.juniper.net/JSA10723 (Vendor Advisory)

Frequently asked questions

What is CVE-2016-1261?: CVE-2016-1261 is a high-severity vulnerability in Juniper Junos, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.1/10. Published 2017-10-13.
How severe is CVE-2016-1261?: High severity. CVSS v3 base score is 7.1 out of 10.