XSS in Juniper Junos
CVE-2016-4923
Insufficient cross site scripting protection in J-Web component in Juniper Networks Junos OS may potentially allow a remote unauthenticated user to inject web script or HTML and steal sensitive data and credentials from a J-Web session and to perform administrative actions on the Junos device. Juniper SIRT is not aware of any malicious exploitation of this vulnerability. Affected releases are Juniper Networks Junos OS 11.4 prior to 11.4R13-S3; 12.1X44 prior to 12.1X44-D60; 12.1X46 prior to 12.1X46-D40; 12.1X47 prior to 12.1X47-D30; 12.3 prior to 12.3R11; 12.3X48 prior to 12.3X48-D20; 13.2X51 prior to 13.2X51-D39, 13.2X51-D40; 13.3 prior to 13.3R9; 14.1 prior to 14.1R6; 14.2 prior to 14.2R6; 15.1 prior to 15.1R3; 15.1X49 prior to 15.1X49-D20; 15.1X53 prior to 15.1X53-D57.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (61.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Juniper Junos — versions 11.4, 11.4r13, 12.3
- Juniper Networks Junos OS — versions 13.2X51 prior to 13.2X51-D39, 13.2X51-D40, 15.1X49 prior to 15.1X49-D20, 12.3 prior to 12.3R11
Weakness classification (CWE)
References
- kb.juniper.net/JSA10764 (Vendor Advisory)
- www.securityfocus.com/bid/93529 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-4923?
- CVE-2016-4923 is a high-severity vulnerability in Juniper Junos, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2017-10-13.
- How severe is CVE-2016-4923?
- High severity. CVSS v3 base score is 8.0 out of 10.