CVE-2016-4923
Junos J-Web: Cross Site Scripting Vulnerability
- Published
- Updated
- Reserved
- Assigned by
- juniper
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| juniperCNA (assigner) | 3.0 | High8.0 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.0 | Medium6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.0% · top 37% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.0.
Weakness
- Insufficient cross site scripting protection
- CWE-79 (opens in a new tab)
Affected products
Juniper Networks · Junos OS
- affected 11.4 prior to 11.4R13-S3
- affected 12.1X44 prior to 12.1X44-D60
- affected 12.1X46 prior to 12.1X46-D40
- affected 12.1X47 prior to 12.1X47-D30
- affected 12.3 prior to 12.3R11
- affected 12.3X48 prior to 12.3X48-D20
- affected 13.2X51 prior to 13.2X51-D39, 13.2X51-D40
- affected 13.3 prior to 13.3R9
- affected 14.1 prior to 14.1R6
- affected 14.2 prior to 14.2R6
- affected 15.1 prior to 15.1R3
- affected 15.1X49 prior to 15.1X49-D20
- affected 15.1X53 prior to 15.1X53-D57
References (2)
- https://kb.juniper.net/JSA10764 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 93529 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .