# CVE-2024-12831: Arista NG Firewall uvm_login Incorrect Authorization Privilege Escalation Vulnerability

> Local attackers can escalate privileges via incorrect authorization in the uvm_login module of Arista NG Firewall.

- **Severity:** Medium 6.6 (`CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L`)
- **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:** 20 Dec 2024
- **Updated:** 20 Dec 2024
- **Also known as:** GHSA-gjgj-cghx-qc4f

## What is CVE-2024-12831?

CVE-2024-12831 is a medium-severity vulnerability in Arista NG Firewall, published on 20 Dec 2024. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

Arista NG Firewall uvm_login Incorrect Authorization Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Arista NG Firewall. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the uvm_login module. The issue results from incorrect authorization. An attacker can leverage this to escalate privileges to resources normally protected from the user. Was ZDI-CAN-24324.

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2024-12831?

It affects 1 product.


Products: Arista Ng Firewall.

## How do I fix CVE-2024-12831?

No fix has been published for CVE-2024-12831 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-12831 being exploited?

There is no known exploitation of CVE-2024-12831 in the wild and no public exploit code.

## Other vulnerabilities in Arista NG Firewall

- [CVE-2025-2767](https://insights.sbomify.com/CVE-2025-2767/): Arista NG Firewall User-Agent Cross-Site Scripting Remote Code Execution Vulnerability (high 8.8)
- [CVE-2024-9188](https://insights.sbomify.com/CVE-2024-9188/): Specially constructed queries cause cross platform scripting leaking administrator tokens (high 8.8)
- [CVE-2024-27889](https://insights.sbomify.com/CVE-2024-27889/): SQL injection in Arista Edge Threat Management - Arista NG Firewall (NGFW) (high 8.8)
- [CVE-2024-47519](https://insights.sbomify.com/CVE-2024-47519/): Backup uploads to ETM subject to man-in-the-middle interception (high 8.3)
- [CVE-2024-9134](https://insights.sbomify.com/CVE-2024-9134/): SQL injection in Arista Edge Threat Management (high 8.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-12831 and fix it if it is affected.

What it is: CVE-2024-12831 is a medium-severity vulnerability in Arista NG Firewall, published on 20 Dec 2024. 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-2024-12831 in the wild and no public exploit code.

Affected product: Arista NG Firewall. 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-2024-12831/ (Markdown: https://insights.sbomify.com/CVE-2024-12831/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-12831
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-12831
- OSV: https://osv.dev/vulnerability/CVE-2024-12831

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-12831/
Summaries are generated and may contain mistakes; the official description above is the record.