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CVE-2016-1261

Junos: vulnerabilities in J-Web (CVE-2016-1261)

High7.1EPSS 0.38%
Published
Updated
Reserved
Assigned by
juniper

Description

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).

Scores

CVSS scores of CVE-2016-1261, by who scored it
Scored byCVSSScoreVector
juniperCNA (assigner)3.0High7.1CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
NVDNVD · Modified3.0High8.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.38% · top 68% 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 7.1.

Weakness

Affected products

  • Juniper Networks · Junos OS

    • affected 12.1X44 prior to 12.1X44-D55
    • affected 12.1X46 prior to 12.1X46-D45
    • affected 12.1X47 prior to 12.1X47-D30
    • affected 12.3 prior to 12.3R11
    • affected 12.3X48 prior to 12.3X48-D30
    • affected 13.2X51 prior to 13.2X51-D40
    • affected 13.3 prior to 13.3R8
    • affected 14.1 prior to 14.1R6
    • affected 14.1X53 prior to 14.1X53-D30
    • affected 14.2 prior to 14.2R5
    • affected 15.1 prior to 15.1R3
    • affected 15.1X49 prior to 15.1X49-D20

What to do

Workaround: Disable J-Web, or limit access to only trusted hosts which may not be compromised by cross-site attacks. For example, deploy jump hosts with no Internet access that use anti-scripting techniques to mitigate potential threats. Alternately, use a dedicated client and dedicated Web browser that is not used to access other sites.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .