Junos OS and Junos OS Evolved: Specific low privileged CLI command exposes sensitive information

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Summary

CVECVE-2026-33776
StatePUBLISHED
Assignerjuniper
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-09 22:16:26 UTC
Updated2026-04-16 18:46:10 UTC
DescriptionA Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information. A local user with low privileges can execute the CLI command 'show mgd' with specific arguments which will expose sensitive information. This issue affects Junos OS: * all versions before 22.4R3-S8, * 23.2 versions before 23.2R2-S6, * 23.4 versions before 23.4R2-S6, * 24.2 versions before 24.2R2-S4, * 24.4 versions before 24.4R2-S1, * 25.2 version before 25.2R1-S2, 25.2R2; Junos OS Evolved: * all versions before 23.2R2-S6-EVO, * 23.4 version before 23.4R2-S6-EVO, * 24.2 version before 24.2R2-S4-EVO, * 24.4 versions before 24.4R2-S1-EVO, * 25.2 versions before 25.2R2-EVO.

Risk And Classification

Primary CVSS: v4.0 6.8 MEDIUM from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:M/U:X

EPSS: 0.000130000 probability, percentile 0.019670000 (date 2026-04-15)

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary6.8MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS6.8MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/AU:Y/...
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1CNACVSS5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
None
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:M/U:X

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Juniper Junos All All All All
Operating System Juniper Junos 22.4 - All All
Operating System Juniper Junos 22.4 r1 All All
Operating System Juniper Junos 22.4 r1-s1 All All
Operating System Juniper Junos 22.4 r1-s2 All All
Operating System Juniper Junos 22.4 r2 All All
Operating System Juniper Junos 22.4 r2-s1 All All
Operating System Juniper Junos 22.4 r2-s2 All All
Operating System Juniper Junos 22.4 r3 All All
Operating System Juniper Junos 22.4 r3-s1 All All
Operating System Juniper Junos 22.4 r3-s2 All All
Operating System Juniper Junos 22.4 r3-s3 All All
Operating System Juniper Junos 22.4 r3-s4 All All
Operating System Juniper Junos 22.4 r3-s5 All All
Operating System Juniper Junos 22.4 r3-s6 All All
Operating System Juniper Junos 22.4 r3-s7 All All
Operating System Juniper Junos 23.2 - All All
Operating System Juniper Junos 23.2 r1 All All
Operating System Juniper Junos 23.2 r1-s1 All All
Operating System Juniper Junos 23.2 r1-s2 All All
Operating System Juniper Junos 23.2 r2 All All
Operating System Juniper Junos 23.2 r2-s1 All All
Operating System Juniper Junos 23.2 r2-s2 All All
Operating System Juniper Junos 23.2 r2-s3 All All
Operating System Juniper Junos 23.2 r2-s4 All All
Operating System Juniper Junos 23.2 r2-s5 All All
Operating System Juniper Junos 23.4 - All All
Operating System Juniper Junos 23.4 r1 All All
Operating System Juniper Junos 23.4 r1-s1 All All
Operating System Juniper Junos 23.4 r1-s2 All All
Operating System Juniper Junos 23.4 r2 All All
Operating System Juniper Junos 23.4 r2-s1 All All
Operating System Juniper Junos 23.4 r2-s2 All All
Operating System Juniper Junos 23.4 r2-s3 All All
Operating System Juniper Junos 23.4 r2-s4 All All
Operating System Juniper Junos 23.4 r2-s5 All All
Operating System Juniper Junos 24.2 - All All
Operating System Juniper Junos 24.2 r1 All All
Operating System Juniper Junos 24.2 r1-s1 All All
Operating System Juniper Junos 24.2 r1-s2 All All
Operating System Juniper Junos 24.2 r2 All All
Operating System Juniper Junos 24.2 r2-s1 All All
Operating System Juniper Junos 24.2 r2-s2 All All
Operating System Juniper Junos 24.2 r2-s3 All All
Operating System Juniper Junos 24.4 - All All
Operating System Juniper Junos 24.4 r1 All All
Operating System Juniper Junos 24.4 r1-s2 All All
Operating System Juniper Junos 24.4 r1-s3 All All
Operating System Juniper Junos 24.4 r2 All All
Operating System Juniper Junos 25.2 - All All
Operating System Juniper Junos 25.2 r1 All All
Operating System Juniper Junos 25.2 r1-s1 All All
Operating System Juniper Junos 25.2 r2 All All
Operating System Juniper Junos Os Evolved All All All All
Operating System Juniper Junos Os Evolved 23.2 - All All
Operating System Juniper Junos Os Evolved 23.2 r1 All All
Operating System Juniper Junos Os Evolved 23.2 r1-s1 All All
Operating System Juniper Junos Os Evolved 23.2 r1-s2 All All
Operating System Juniper Junos Os Evolved 23.2 r2 All All
Operating System Juniper Junos Os Evolved 23.2 r2-s1 All All
Operating System Juniper Junos Os Evolved 23.2 r2-s2 All All
Operating System Juniper Junos Os Evolved 23.2 r2-s3 All All
Operating System Juniper Junos Os Evolved 23.2 r2-s4 All All
Operating System Juniper Junos Os Evolved 23.2 r2-s5 All All
Operating System Juniper Junos Os Evolved 23.4 - All All
Operating System Juniper Junos Os Evolved 23.4 r1 All All
Operating System Juniper Junos Os Evolved 23.4 r1-s1 All All
Operating System Juniper Junos Os Evolved 23.4 r1-s2 All All
Operating System Juniper Junos Os Evolved 23.4 r2 All All
Operating System Juniper Junos Os Evolved 23.4 r2-s1 All All
Operating System Juniper Junos Os Evolved 23.4 r2-s2 All All
Operating System Juniper Junos Os Evolved 23.4 r2-s3 All All
Operating System Juniper Junos Os Evolved 23.4 r2-s4 All All
Operating System Juniper Junos Os Evolved 23.4 r2-s5 All All
Operating System Juniper Junos Os Evolved 24.2 - All All
Operating System Juniper Junos Os Evolved 24.2 r1 All All
Operating System Juniper Junos Os Evolved 24.2 r1-s2 All All
Operating System Juniper Junos Os Evolved 24.2 r2 All All
Operating System Juniper Junos Os Evolved 24.2 r2-s1 All All
Operating System Juniper Junos Os Evolved 24.2 r2-s2 All All
Operating System Juniper Junos Os Evolved 24.2 r2-s3 All All
Operating System Juniper Junos Os Evolved 24.4 - All All
Operating System Juniper Junos Os Evolved 24.4 r1 All All
Operating System Juniper Junos Os Evolved 24.4 r1-s2 All All
Operating System Juniper Junos Os Evolved 24.4 r1-s3 All All
Operating System Juniper Junos Os Evolved 24.4 r2 All All
Operating System Juniper Junos Os Evolved 25.2 - All All
Operating System Juniper Junos Os Evolved 25.2 r1 All All
Operating System Juniper Junos Os Evolved 25.2 r1-s1 All All
Operating System Juniper Junos Os Evolved 25.2 r1-s2 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Juniper Networks Junos OS affected 22.4R3-S8 semver Not specified
CNA Juniper Networks Junos OS affected 23.2 23.2R2-S6 semver Not specified
CNA Juniper Networks Junos OS affected 23.4 23.4R2-S6 semver Not specified
CNA Juniper Networks Junos OS affected 24.2 24.2R2-S4 semver Not specified
CNA Juniper Networks Junos OS affected 24.4 24.4R2-S1 semver Not specified
CNA Juniper Networks Junos OS affected 25.2 25.2R1-S2, 25.2R2 semver Not specified
CNA Juniper Networks Junos OS Evolved affected 23.2R2-S6-EVO semver Not specified
CNA Juniper Networks Junos OS Evolved affected 23.4 23.4R2-S6-EVO semver Not specified
CNA Juniper Networks Junos OS Evolved affected 24.2 24.2R2-S4-EVO semver Not specified
CNA Juniper Networks Junos OS Evolved affected 24.4 24.4R2-S1-EVO semver Not specified
CNA Juniper Networks Junos OS Evolved affected 25.2 25.2R2-EVO semver Not specified

References

ReferenceSourceLinkTags
kb.juniper.net/JSA107866 [email protected] kb.juniper.net Mitigation, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 23.2R2-S6-EVO, 23.4R2-S6-EVO, 24.2R2-S4-EVO, 24.4R2-S1-EVO, 25.2R2-EVO, 25.4R1-EVO, and all subsequent releases; Junos OS: 22.4R3-S8, 23.2R2-S6, 23.4R2-S6, 24.2R2-S4, 24.4R2-S1, 25.2R1-S2, 25.2R2, 25.4R1, and all subsequent releases.

Workarounds

CNA: Use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators. Utilize CLI authorization to disallow execution of the 'show mgd' commands.

Exploits

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

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