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CVE-2023-44201

Junos OS and Junos OS Evolved: A local attacker can retrieve sensitive information and elevate privileges on the device to an authorized user.

Medium5.0EPSS 0.15%
Published
Updated
Reserved
Assigned by
juniper

Description

An Incorrect Permission Assignment for Critical Resource vulnerability in a specific file of Juniper Networks Junos OS and Junos OS Evolved allows a local authenticated attacker to read configuration changes without having the permissions. When a user with the respective permissions commits a configuration change, a specific file is created. That file is readable even by users with no permissions to access the configuration. This can lead to privilege escalation as the user can read the password hash when a password change is being committed. This issue affects: Juniper Networks Junos OS * All versions prior to 20.4R3-S4; * 21.1 versions prior to 21.1R3-S4; * 21.2 versions prior to 21.2R3-S2; * 21.3 versions prior to 21.3R2-S2, 21.3R3-S1; * 21.4 versions prior to 21.4R2-S1, 21.4R3. Juniper Networks Junos OS Evolved * All versions prior to 20.4R3-S4-EVO; * 21.1 versions prior to 21.1R3-S2-EVO; * 21.2 versions prior to 21.2R3-S2-EVO; * 21.3 versions prior to 21.3R3-S1-EVO; * 21.4 versions prior to 21.4R2-S2-EVO.

Timeline

  1. ID reserved

    By juniper

  2. · 16 days later

    Published

  3. · 11 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-44201, by who scored it
Scored byCVSSScoreVector
juniperCNA (assigner)3.1Medium5.0CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
0.15% · top 96% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

Affected products

  • Juniper Networks · Junos OS

    • affected < 20.4R3-S4
    • affected 21.1 – < 21.1R3-S4
    • affected 21.2 – < 21.2R3-S2
    • affected 21.3 – < 21.3R2-S2, 21.3R3-S1
    • affected 21.4 – < 21.4R2-S1, 21.4R3

  • Juniper Networks · Junos OS Evolved

    • affected < 20.4R3-S4-EVO
    • affected 21.1-EVO – < 21.1R3-S2-EVO
    • affected 21.2-EVO – < 21.2R3-S2-EVO
    • affected 21.3-EVO – < 21.3R3-S1-EVO
    • affected 21.4-EVO – < 21.4R2-S2-EVO, 21.4R3-EVO

What to do

Solution: The following software releases have been updated to resolve this specific issue: Junos OS: 20.4R3-S4, 21.1R3-S4, 21.2R3-S2, 21.3R2-S2, 21.3R3-S1, 21.4R2-S1, 21.4R3, 22.1R1, and all subsequent releases. Junos OS Evolved: 20.4R3-S4-EVO, 21.1R3-S2-EVO, 21.2R3-S2-EVO, 21.4R2-S2-EVO, 21.4R3-EVO, 22.1R1-EVO, and all subsequent releases.

Workaround: There are no known workarounds for 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.

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Record last updated .