CVE-2023-28975

Junos OS: The kernel will crash when certain USB devices are inserted

MEDIUM

4.6

CVSS Score

Published: April 17, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 05:49 AM UTC

1 product affected across 1 vendorJunos

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Severity

MEDIUM4.6

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

An Unexpected Status Code or Return Value vulnerability in the kernel of Juniper Networks Junos OS allows an unauthenticated attacker with physical access to the device to cause a Denial of Service (DoS). When certain USB devices are connected to a USB port of the routing-engine (RE), the kernel will crash leading to a reboot of the device. The device will continue to crash as long as the USB device is connected. This issue affects Juniper Networks Junos OS: All versions prior to 19.4R3-S10; 20.2 versions prior to 20.2R3-S7; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S4; 21.3 versions prior to 21.3R3-S3; 21.4 versions prior to 21.4R3-S2; 22.1 versions prior to 22.1R2-S2, 22.1R3; 22.2 versions prior to 22.2R2, 22.2R3; 22.3 versions prior to 22.3R1-S1, 22.3R2; 22.4 versions prior to 22.4R2.

Affected

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

Junos · Juniper Networks

95%

v < 19.4v < 19.4R3-S1020.2 ≤ v < 20.2R3-S720.3 ≤ v < 20.3R3-S620.4 ≤ v < 20.4R3-S521.1 ≤ v < 21.1R3-S421.2 ≤ v < 21.2R3-S421.3 ≤ v < 21.3R3-S321.4 ≤ v < 21.4R3-S222.1 ≤ v < 22.1R2-S2, 22.1R322.2 ≤ v < 22.2R222.3 ≤ v < 22.3R1-S1, 22.3R222.4 ≤ v < 22.4R219.4 19.4 r1 19.4 r1-s1 19.4 r1-s2 19.4 r1-s3 19.4 r1-s4 19.4 r2 19.4 r2-s1 19.4 r2-s2 19.4 r2-s3 19.4 r2-s4 19.4 r2-s5 19.4 r2-s6 19.4 r2-s7 19.4 r3 19.4 r3-s1 19.4 r3-s2 19.4 r3-s3 19.4 r3-s4 19.4 r3-s5 19.4 r3-s6 19.4 r3-s7 19.4 r3-s8 19.4 r3-s9 20.2 20.2 r1 20.2 r1-s1 20.2 r1-s2 20.2 r1-s3 20.2 r2 20.2 r2-s1 20.2 r2-s2 20.2 r2-s3 20.2 r3 20.2 r3-s1 20.2 r3-s2 20.2 r3-s3 20.2 r3-s4 20.2 r3-s5 20.2 r3-s6 20.3 20.3 r1 20.3 r1-s1 20.3 r1-s2 20.3 r2 20.3 r2-s1 20.3 r3 20.3 r3-s1 20.3 r3-s2 20.3 r3-s3 20.3 r3-s4 20.3 r3-s5 20.4 20.4 r1 20.4 r1-s1 20.4 r2 20.4 r2-s1 20.4 r2-s2 20.4 r3 20.4 r3-s1 20.4 r3-s2 20.4 r3-s3 20.4 r3-s4 21.1 21.1 r1 21.1 r1-s1 21.1 r2 21.1 r2-s1 21.1 r2-s2 21.1 r3 21.1 r3-s1 21.1 r3-s2 21.1 r3-s3 21.2 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 21.3 21.3 r1 21.3 r1-s1 21.3 r1-s2 21.3 r2 21.3 r2-s1 21.3 r2-s2 21.3 r3 21.3 r3-s1 21.3 r3-s2 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 22.1 22.1 r1 22.1 r1-s1 22.1 r1-s2 22.1 r2 22.1 r2-s1 22.2 22.2 r1 22.2 r1-s1 22.2 r1-s2 22.3 22.3 r1 22.4 22.4 r1

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

Affected range stops below 19.4R3-S10, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.2R3-S7, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.3R3-S6, so it looks safe — our inference, not a vendor statement

Affected range stops below 20.4R3-S5, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.1R3-S4, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.2R3-S4, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.3R3-S3, so it looks safe — our inference, not a vendor statement

Affected range stops below 21.4R3-S2, so it looks safe — our inference, not a vendor statement

Affected range stops below 22.1R2-S2, 22.1R3, so it looks safe — our inference, not a vendor statement

Affected range stops below 22.2R2, so it looks safe — our inference, not a vendor statement

Affected range stops below 22.3R1-S1, 22.3R2, so it looks safe — our inference, not a vendor statement

Affected range stops below 22.4R2, 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://supportportal.juniper.net/JSA70600

References (1)

Vendor Advisory

Source: [email protected]

https://supportportal.juniper.net/JSA70600

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

4.6MEDIUMjuniper

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

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-394CWE-754

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