# CVE-2022-20762: Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure Privilege Escalation Vulnerability

> An authenticated local attacker can escalate privileges to root on Cisco Ultra Cloud Core SMI devices via insufficient access control in the ConfD CLI.

- **Severity:** High 7.8 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Apr 2022
- **Updated:** 6 Nov 2024
- **Also known as:** GHSA-wxv8-vqc5-v4j2

## What is CVE-2022-20762?

CVE-2022-20762 is a high-severity vulnerability in Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure, published on 6 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability in the Common Execution Environment (CEE) ConfD CLI of Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure (SMI) software could allow an authenticated, local attacker to escalate privileges on an affected device. This vulnerability is due to insufficient access control in the affected CLI. An attacker could exploit this vulnerability by authenticating as a CEE ConfD CLI user and executing a specific CLI command. A successful exploit could allow an attacker to access privileged containers with root privileges.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2022-20762?

It affects 1 product.


Products: Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure.

## How do I fix CVE-2022-20762?

No fix has been published for CVE-2022-20762 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-20762 being exploited?

There is no known exploitation of CVE-2022-20762 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-20762 and fix it if it is affected.

What it is: CVE-2022-20762 is a high-severity vulnerability in Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure, published on 6 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-20762 in the wild and no public exploit code.

Affected product: Cisco Ultra Cloud Core - Subscriber Microservices Infrastructure. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2022-20762/ (Markdown: https://insights.sbomify.com/CVE-2022-20762/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-20762
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-20762
- OSV: https://osv.dev/vulnerability/CVE-2022-20762

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-20762/
Summaries are generated and may contain mistakes; the official description above is the record.