# CVE-2024-20393: Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Privilege Escalation Vulnerability

> An authenticated remote attacker can elevate privileges from guest to admin on Cisco RV340/RV345 routers via the web management interface.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/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:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Oct 2024
- **Updated:** 2 Oct 2024
- **Also known as:** GHSA-95px-w8x3-2w55

## What is CVE-2024-20393?

CVE-2024-20393 is a high-severity vulnerability in Cisco Small Business RV Series Router Firmware, published on 2 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability in the web-based management interface of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an authenticated, remote attacker to elevate privileges on an affected device.

This vulnerability exists because the web-based management interface discloses sensitive information. An attacker could exploit this vulnerability by sending crafted HTTP input to an affected device. A successful exploit could allow an attacker to elevate privileges from guest to admin.

Weakness: CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2024-20393?

It affects 4 products.


Products: Cisco Rv340 Dual Wan Gigabit Vpn Router Firmware, Cisco Rv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware, Cisco Rv345 Dual Wan Gigabit Vpn Router Firmware, Cisco Rv345p Dual Wan Gigabit Poe Vpn Router Firmware.

## How do I fix CVE-2024-20393?

No fix has been published for CVE-2024-20393 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-20393 being exploited?

There is no known exploitation of CVE-2024-20393 in the wild and no public exploit code.

## Other vulnerabilities in Cisco Small Business RV Series Router Firmware

- [CVE-2020-3357](https://insights.sbomify.com/CVE-2020-3357/): Other in Cisco Small Business RV Series Router Firmware (critical 9.8)
- [CVE-2020-3358](https://insights.sbomify.com/CVE-2020-3358/): Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers SSL Denial of Service Vulnerability (high 8.6)
- [CVE-2024-20470](https://insights.sbomify.com/CVE-2024-20470/): Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Remote Code Execution Vulnerability (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-20393 and fix it if it is affected.

What it is: CVE-2024-20393 is a high-severity vulnerability in Cisco Small Business RV Series Router Firmware, published on 2 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-20393 in the wild and no public exploit code.

Affected product: Cisco Small Business RV Series Router Firmware. 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-2024-20393/ (Markdown: https://insights.sbomify.com/CVE-2024-20393/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-20393
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-20393
- OSV: https://osv.dev/vulnerability/CVE-2024-20393

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-20393/
Summaries are generated and may contain mistakes; the official description above is the record.