Skip to content
CVE Tracker
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

CVE-2019-0062

Junos OS: Session fixation vulnerability in J-Web

High7.5EPSS 1.1%
Published
Updated
Reserved
Assigned by
juniper

Description

A session fixation vulnerability in J-Web on Junos OS may allow an attacker to use social engineering techniques to fix and hijack a J-Web administrators web session and potentially gain administrative access to the device. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S15 on EX Series; 12.3X48 versions prior to 12.3X48-D85 on SRX Series; 14.1X53 versions prior to 14.1X53-D51; 15.1 versions prior to 15.1F6-S13, 15.1R7-S5; 15.1X49 versions prior to 15.1X49-D180 on SRX Series; 15.1X53 versions prior to 15.1X53-D238; 16.1 versions prior to 16.1R4-S13, 16.1R7-S5; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R3-S1; 17.2 versions prior to 17.2R2-S8, 17.2R3-S3; 17.3 versions prior to 17.3R3-S5; 17.4 versions prior to 17.4R2-S8, 17.4R3; 18.1 versions prior to 18.1R3-S8; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R3; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R1-S2, 19.1R2.

Scores

CVSS scores of CVE-2019-0062, by who scored it
Scored byCVSSScoreVector
juniperCNA (assigner)3.1High7.5CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
1.1% · top 35% of all CVEs (6 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

Affected products

  • Juniper Networks · Junos OS

    • affected 12.3 – < 12.3R12-S15

  • Juniper Networks · Junos OS

    • affected 12.3X48 – < 12.3X48-D85
    • affected 15.1X49 – < 15.1X49-D180

  • Juniper Networks · Junos OS

    • affected 14.1X53 – < 14.1X53-D51
    • affected 15.1 – < 15.1F6-S13, 15.1R7-S5
    • affected 15.1X53 – < 15.1X53-D238
    • affected 16.1 – < 16.1R4-S13, 16.1R7-S5
    • affected 16.2 – < 16.2R2-S10
    • affected 17.1 – < 17.1R3-S1
    • affected 17.2 – < 17.2R2-S8, 17.2R3-S3
    • affected 17.3 – < 17.3R3-S5
    • affected 17.4 – < 17.4R2-S8, 17.4R3
    • affected 18.1 – < 18.1R3-S8
    • affected 18.2 – < 18.2R3
    • affected 18.3 – < 18.3R3
    • affected 18.4 – < 18.4R2
    • affected 19.1 – < 19.1R1-S2, 19.1R2

What to do

Solution: The following software releases have been updated to resolve this specific issue: 12.3R12-S15*, 12.3X48-D85, 14.1X53-D51, 15.1F6-S13, 15.1R7-S5, 15.1X49-D180, 15.1X53-D238, 16.1R4-S13, 16.1R7-S5, 16.2R2-S10, 17.1R3-S1, 17.2R2-S8, 17.2R3-S3, 17.3R3-S5, 17.4R2-S8, 17.4R3*, 18.1R3-S8*, 18.2R3, 18.3R3, 18.4R2, 19.1R1-S2, 19.1R2, 19.2R1, and all subsequent releases. *pending publication

Workaround: Use access control lists or firewall filters to limit access to Junos J-Web interface to only trusted users and networks to reduce risks of exploitation of this vulnerability. Using common BCPs of safe web browsing such as not clicking on links in email or other media would reduce risks of exploitation of this vulnerability. Disabling J-Web would completely prevent any exploitation of this issue.

Exploitation: Juniper SIRT is not aware of any malicious exploitation of this vulnerability.

References (1)

Sources

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

Badge for a README or a ticket

CVE-2019-0062 badge
[![CVE-2019-0062](https://trackcve.app/badge/CVE-2019-0062.svg)](https://trackcve.app/cve/CVE-2019-0062)

Record last updated .