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TI-2023-13445 Aliases CVE-2023-28983GHSA-g3qx-fhf5-4m26

Junos OS Evolved: Shell Injection vulnerability in the gNOI server

Priority MEDIUM 43CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

An OS Command Injection vulnerability in gRPC Network Operations Interface (gNOI) server module of Juniper Networks Junos OS Evolved allows an authenticated, low privileged, network based attacker to inject shell commands and execute code. This issue affects Juniper Networks Junos OS Evolved 21.4 version 21.4R1-EVO and later versions prior to 22.1R1-EVO.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01482 74th percentileScored 2026-11-07
Fix Fixed Junos OS Evolved (Juniper Networks): 22.1R1-EVO

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JuniperJunos OS Evolved21.4R1-EVO and later; 22.1 to before 22.1R1-EVO22.1R1-EVOPatch availableCNA
  • Junos OS Evolved VendorJuniper Affected 21.4R1-EVO and later; 22.1 to before 22.1R1-EVO Fixed in 22.1R1-EVO Patch available CNA

CPE configurations NVD · 11

CPEVersionsRoleVendor
cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:*21.4VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:*21.4 r1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:*21.4 r1-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s2:*:*:*:*:*:*21.4 r1-s2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r2:*:*:*:*:*:*21.4 r2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s1:*:*:*:*:*:*21.4 r2-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s2:*:*:*:*:*:*21.4 r2-s2VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r3:*:*:*:*:*:*21.4 r3VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s1:*:*:*:*:*:*21.4 r3-s1VulnerableJuniper
cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s2:*:*:*:*:*:*21.4 r3-s2VulnerableJuniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:-:*:*:*:*:*:* Versions 21.4 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r1:*:*:*:*:*:* Versions 21.4 r1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s1:*:*:*:*:*:* Versions 21.4 r1-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r1-s2:*:*:*:*:*:* Versions 21.4 r1-s2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r2:*:*:*:*:*:* Versions 21.4 r2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s1:*:*:*:*:*:* Versions 21.4 r2-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r2-s2:*:*:*:*:*:* Versions 21.4 r2-s2 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r3:*:*:*:*:*:* Versions 21.4 r3 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s1:*:*:*:*:*:* Versions 21.4 r3-s1 Vulnerable ·Juniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s2:*:*:*:*:*:* Versions 21.4 r3-s2 Vulnerable ·Juniper
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s3:*:*:*:*:*:*21.4 r3-s3VulnerableJuniper
  • cpe:2.3:o:juniper:junos_os_evolved:21.4:r3-s3:*:*:*:*:*:* Versions 21.4 r3-s3 Vulnerable ·Juniper

Remediation

  • Fix · CNA Junos OS Evolved (Juniper Networks) Fixed in 22.1R1-EVO

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-28983
  2. 2026-10-03 Alias added: GHSA-g3qx-fhf5-4m26

References

Advisory 1

  • TI-2026-17602 Junos OS Evolved: PTX Series: A vulnerability allows a unauthenticated, network-based attacker to execute code as root CVSS 4.0CRITICAL 9.3
  • TI-2026-17601 Junos OS and Junos OS Evolved: Configuration of a specific SSH option results in mgd crash CVSS 4.0MEDIUM 6.7
  • TI-2023-04136 Improper input validation in Juniper Junos OS CVSS 3.1HIGH 7.5
  • TI-2026-74215 Stack-based buffer overflow in Junos OS rpd triggered by BGP peers CVSS 4.0CRITICAL 9.3
  • TI-2026-74211 Authentication bypass in Juniper J-Web allows pre-auth CGI execution CVSS 4.0CRITICAL 9.3
  • TI-2021-00146 Junos OS and Junos OS Evolved: Upon receipt of a specific BGP FlowSpec message network traffic may be disrupted. CVSS 3.1CRITICAL 10.0
See all 249 →

Sources

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