CVE-2024-47495

Junos OS Evolved: In a dual-RE scenario a locally authenticated attacker with shell privileges can take over the device.

MEDIUM

6.7

CVSS Score

Published: October 11, 2024 at 03:27 PM UTC

Updated: June 17, 2026 at 07:57 AM UTC

2 products affected across 2 vendorsJunos OS EvolvedJunos OS Evolved

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Severity

MEDIUM6.7

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

An Authorization Bypass Through User-Controlled Key vulnerability allows a locally authenticated attacker with shell access to gain full control of the device when Dual Routing Engines (REs) are in use on Juniper Networks Junos OS Evolved devices. This issue affects: Juniper Networks Junos OS Evolved with dual-REs: * All versions before 21.2R3-S8-EVO, * from 21.4-EVO before 21.4R3-S8-EVO, * from 22.2-EVO before 22.2R3-S4-EVO, * from 22.3-EVO before 22.3R3-S4-EVO, * from 22.4-EVO before 22.4R3-S3-EVO, * from 23.2-EVO before 23.2R2-S1-EVO, * from 23.4-EVO before 23.4R2-S1-EVO. This issue does not affect Juniper Networks Junos OS.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Junos OS Evolved · Juniper

95%

v < 21.2v < 21.2r3-s8-evo21.4 ≤ v < 21.4r3-s8-evo22.2 ≤ v < 22.2r3-s4-evo22.3 ≤ v < 22.3r3-s4-evo22.4 ≤ v < 22.4r3-s3-evo23.2 ≤ v < 23.2r2-s1-evo23.4 ≤ v < 23.4r2-s1-evo21.2 21.2 r1 21.2 r1-s1 21.2 r1-s2 21.2 r2 21.2 r2-s1 21.2 r2-s2 21.2 r3 21.2 r3-s1 21.2 r3-s2 21.2 r3-s3 21.2 r3-s4 21.2 r3-s5 21.2 r3-s6 21.2 r3-s7 21.4 21.4 r1 21.4 r1-s1 21.4 r1-s2 21.4 r2 21.4 r2-s1 21.4 r2-s2 21.4 r3 21.4 r3-s1 21.4 r3-s2 21.4 r3-s3 21.4 r3-s4 21.4 r3-s5 21.4 r3-s6 21.4 r3-s7 22.2 22.2 r1 22.2 r1-s1 22.2 r1-s2 22.2 r2 22.2 r2-s1 22.2 r2-s2 22.2 r3 22.2 r3-s1 22.2 r3-s2 22.2 r3-s3 22.3 22.3 r1 22.3 r1-s1 22.3 r1-s2 22.3 r2 22.3 r2-s1 22.3 r2-s2 22.3 r3 22.3 r3-s1 22.3 r3-s2 22.3 r3-s3 22.4 22.4 r1 22.4 r1-s1 22.4 r1-s2 22.4 r2 22.4 r2-s1 22.4 r2-s2 22.4 r3 22.4 r3-s1 22.4 r3-s2 23.2 23.2 r1 23.2 r1-s1 23.2 r1-s2 23.2 r2 23.4 23.4 r1 23.4 r1-s1 23.4 r1-s2 23.4 r2

Affected range stops below 21.2r3-s8-evo, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.4r3-s8-evo, so it looks safe — our inference, not a vendor statement

Affected range stops below 22.2r3-s4-evo, so it looks safe — our inference, not a vendor statement

Affected range stops below 22.3r3-s4-evo, so it looks safe — our inference, not a vendor statement

Affected range stops below 22.4r3-s3-evo, so it looks safe — our inference, not a vendor statement

Affected range stops below 23.2r2-s1-evo, so it looks safe — our inference, not a vendor statement

Affected range stops below 23.4r2-s1-evo, so it looks safe — our inference, not a vendor statement

Junos OS Evolved · Juniper Networks

60%

v < 21.2R3-S8-EVO21.4-EVO ≤ v < 21.4R3-S8-EVO22.2-EVO ≤ v < 22.2R3-S4-EVO22.3-EVO ≤ v < 22.3R3-S4-EVO22.4-EVO ≤ v < 22.4R3-S3-EVO23.2-EVO ≤ v < 23.2R2-S1-EVO23.4-EVO ≤ v < 23.4R2-S1-EVO21.4-EVO 22.2-EVO 22.3-EVO 22.4-EVO 23.2-EVO 23.4-EVO

Affected range stops below 21.2R3-S8-EVO, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.4R3-S8-EVO, so it looks safe — our inference, not a vendor statement

Affected range stops below 22.2R3-S4-EVO, so it looks safe — our inference, not a vendor statement

Affected range stops below 22.3R3-S4-EVO, so it looks safe — our inference, not a vendor statement

Affected range stops below 22.4R3-S3-EVO, so it looks safe — our inference, not a vendor statement

Affected range stops below 23.2R2-S1-EVO, so it looks safe — our inference, not a vendor statement

Affected range stops below 23.4R2-S1-EVO, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://kb.juniper.net/JSA88122

References (1)

Vendor Advisory

Source: [email protected]

https://kb.juniper.net/JSA88122

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.7MEDIUMjuniper

Attack Vector: LOCAL
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-639

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