Home/CVE/An Unexpected Status Code or Return Value vulnerability in the kernel of Juniper Networks Junos OS allows an unauthentic
CVE

CVE-2023-28975

An Unexpected Status Code or Return Value vulnerability in the kernel of Juniper Networks Junos OS allows an unauthentic

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.

MEDIUM · CVSS 4.6 EPSS 0.00275
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-394Unexpected Status Code or Return Value
CWE-754Improper Check for Unusual or Exceptional Conditions
▤

Affected Products & Versions

2
juniper junos< 19.4
juniper junosall versions
▣

Scoring & Timeline

4.6
MEDIUM · CVSS v3.1 · sirt@juniper.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Apr 2023 · 10:15 PM
CVSS VectorCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://supportportal.juniper.net/JSA70600Vendor Advisory
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