CVE-2021-0245

Junos OS: Junos Fusion: Hard-coded credentials on satellite devices allows a locally authenticated attacker to elevate their privileges.

HIGH

7.8

CVSS Score

Published: April 22, 2021 at 07:37 PM UTC

Updated: June 17, 2026 at 03:29 AM UTC

1 product affected across 1 vendorJunos

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Severity

HIGH7.8

Exploit prediction

EPSS 0.2%

Description

A Use of Hard-coded Credentials vulnerability in Juniper Networks Junos OS on Junos Fusion satellite devices allows an attacker who is local to the device to elevate their privileges and take control of the device. This issue affects: Juniper Networks Junos OS Junos Fusion Satellite Devices. 16.1 versions prior to 16.1R7-S7; 17.1 versions prior to 17.1R2-S12, 17.1R3-S2; 17.2 versions prior to 17.2R3-S4; 17.3 versions prior to 17.3R3-S8; 17.4 versions prior to 17.4R2-S10; 17.4 version 17.4R3 and later versions; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S3; 18.3 versions prior to 18.3R1-S7, 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R1-S6, 18.4R2-S4, 18.4R3-S1; 19.1 versions prior to 19.1R1-S5, 19.1R2-S1, 19.1R3; 19.2 versions prior to 19.2R1-S4, 19.2R2; 19.3 versions prior to 19.3R2-S5, 19.3R3; 19.4 versions prior to 19.4R1-S1, 19.4R2; 20.1 versions prior to 20.1R1-S1, 20.1R2. This issue does not affected Junos OS releases prior to 16.1R1 or all 19.2R3 and 19.4R3 release versions.

Affected

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

Junos · Juniper Networks

95%

16.1 ≤ v < 16.1R7-S717.1 ≤ v < 17.1R2-S12, 17.1R3-S217.2 ≤ v < 17.2R3-S417.3 ≤ v < 17.3R3-S817.4 ≤ v < 17.4R2-S1018.1 ≤ v < 18.1R3-S1018.2 ≤ v < 18.2R2-S7, 18.2R3-S318.3 ≤ v < 18.3R1-S7, 18.3R2-S4, 18.3R3-S218.4 ≤ v < 18.4R1-S6, 18.4R2-S4, 18.4R3-S119.1 ≤ v < 19.1R1-S5, 19.1R2-S1, 19.1R319.2 ≤ v < 19.2R1-S4, 19.2R219.3 ≤ v < 19.3R2-S5, 19.3R319.4 ≤ v < 19.4R1-S1, 19.4R220.1 ≤ v < 20.1R1-S1, 20.1R216.1 16.1 r 16.1 r1 16.1 r2 16.1 r3 16.1 r3-s10 16.1 r3-s11 16.1 r3-s8 16.1 r4 16.1 r4-s12 16.1 r4-s2 16.1 r4-s3 16.1 r4-s4 16.1 r4-s6 16.1 r4-s8 16.1 r4-s9 16.1 r5 16.1 r5-s4 16.1 r6 16.1 r6-s1 16.1 r6-s3 16.1 r6-s4 16.1 r6-s6 16.1 r7 16.1 r7-s2 16.1 r7-s3 16.1 r7-s4 16.1 r7-s5 16.1 r7-s6 17.1 17.1 r1 17.1 r1-s7 17.1 r2 17.1 r2-s1 17.1 r2-s10 17.1 r2-s11 17.1 r2-s2 17.1 r2-s3 17.1 r2-s4 17.1 r2-s5 17.1 r2-s6 17.1 r2-s7 17.1 r2-s8 17.1 r2-s9 17.1 r3 17.1 r3-s1 17.2 17.2 r1 17.2 r1-s1 17.2 r1-s2 17.2 r1-s3 17.2 r1-s4 17.2 r1-s5 17.2 r1-s6 17.2 r1-s7 17.2 r1-s8 17.2 r2 17.2 r2-s11 17.2 r2-s4 17.2 r2-s6 17.2 r2-s7 17.2 r3 17.2 r3-s1 17.2 r3-s2 17.2 r3-s3 17.3 17.3 r1 17.3 r1-s1 17.3 r1-s4 17.3 r2 17.3 r2-s1 17.3 r2-s2 17.3 r2-s3 17.3 r2-s4 17.3 r2-s5 17.3 r3 17.3 r3-s1 17.3 r3-s10 17.3 r3-s2 17.3 r3-s3 17.3 r3-s4 17.3 r3-s5 17.3 r3-s6 17.3 r3-s7 17.4 17.4 r1 17.4 r1-s1 17.4 r1-s2 17.4 r1-s3 17.4 r1-s4 17.4 r1-s5 17.4 r1-s6 17.4 r1-s7 17.4 r2 17.4 r2-s1 17.4 r2-s2 17.4 r2-s3 17.4 r2-s4 17.4 r2-s5 17.4 r2-s6 17.4 r2-s7 17.4 r2-s8 17.4 r2-s9 18.1 18.1 r1 18.1 r2 18.1 r2-s1 18.1 r2-s2 18.1 r2-s4 18.1 r3 18.1 r3-s1 18.1 r3-s2 18.1 r3-s3 18.1 r3-s4 18.1 r3-s5 18.1 r3-s6 18.1 r3-s7 18.1 r3-s8 18.1 r3-s9 18.2 18.2 r1 18.2 r1-s2 18.2 r1-s3 18.2 r1-s4 18.2 r1-s5 18.2 r2 18.2 r2-s1 18.2 r2-s2 18.2 r2-s3 18.2 r2-s4 18.2 r2-s5 18.2 r2-s6 18.2 r3 18.2 r3-s1 18.2 r3-s2 18.3 18.3 r1 18.3 r1-s1 18.3 r1-s2 18.3 r1-s3 18.3 r1-s4 18.3 r1-s5 18.3 r1-s6 18.3 r2 18.3 r2-s1 18.3 r2-s2 18.3 r2-s3 18.3 r3 18.3 r3-s1 18.4 18.4 r1 18.4 r1-s1 18.4 r1-s2 18.4 r1-s3 18.4 r1-s4 18.4 r1-s5 18.4 r2 18.4 r2-s1 18.4 r2-s2 18.4 r2-s3 18.4 r3 19.1 19.1 r1 19.1 r1-s1 19.1 r1-s2 19.1 r1-s3 19.1 r1-s4 19.1 r2 19.2 19.2 r1 19.2 r1-s1 19.2 r1-s2 19.2 r1-s3 19.3 19.3 r1 19.3 r1-s1 19.3 r2 19.3 r2-s1 19.3 r2-s2 19.3 r2-s3 19.3 r2-s4 19.4 19.4 r1 20.1 20.1 r1

Affected range stops below 16.1R7-S7, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.1R2-S12, 17.1R3-S2, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.2R3-S4, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.3R3-S8, so it looks safe — our inference, not a vendor statement

Affected range stops below 17.4R2-S10, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.1R3-S10, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.2R2-S7, 18.2R3-S3, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.3R1-S7, 18.3R2-S4, 18.3R3-S2, so it looks safe — our inference, not a vendor statement

Affected range stops below 18.4R1-S6, 18.4R2-S4, 18.4R3-S1, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.1R1-S5, 19.1R2-S1, 19.1R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.2R1-S4, 19.2R2, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.3R2-S5, 19.3R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 19.4R1-S1, 19.4R2, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.1R1-S1, 20.1R2, 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/JSA11138

References (1)

x_refsource_MISCVendor Advisory

Source: [email protected]

https://kb.juniper.net/JSA11138

CVSS

7.8HIGHjuniper

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-798

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