# CVE-2015-6397: Privilege escalation in n/a

> Authenticated users can gain root access on Cisco RV series routers due to incorrect default account RBAC configuration.

- **Severity:** High 8.8 (`CVSS:3.0/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:** 8 Aug 2016
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-7m9q-532f-6q43

## What is CVE-2015-6397?

CVE-2015-6397 is a high-severity vulnerability in Cisco Rv215w Wireless-N Vpn Router Firmware, published on 8 Aug 2016. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Cisco RV110W, RV130W, and RV215W devices have an incorrect RBAC configuration for the default account, which allows remote authenticated users to obtain root access via a login session with that account, aka Bug IDs CSCuv90139, CSCux58175, and CSCux73557.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2015-6397?

It affects 3 products.


Products: Cisco Rv110w Wireless-N Vpn Firewall Firmware, Cisco Rv130w Wireless-N Multifunction Vpn Router Firmware, Cisco Rv215w Wireless-N Vpn Router Firmware.

## How do I fix CVE-2015-6397?

No fix has been published for CVE-2015-6397 yet. Limit exposure of the affected software until one is available.

## Is CVE-2015-6397 being exploited?

There is no known exploitation of CVE-2015-6397 in the wild and no public exploit code.

## Other vulnerabilities in Cisco Rv215w Wireless-N Vpn Router Firmware

- [CVE-2020-3323](https://insights.sbomify.com/CVE-2020-3323/): Command injection in Cisco Small Business RV Series Router Firmware (critical 9.8)
- [CVE-2020-3330](https://insights.sbomify.com/CVE-2020-3330/): Cisco Small Business RV110W Wireless-N VPN Firewall Static Default Credential Vulnerability (critical 9.8)
- [CVE-2020-3331](https://insights.sbomify.com/CVE-2020-3331/): Cisco RV110W and RV215W Series Routers Arbitrary Code Execution Vulnerability (critical 9.8)
- [CVE-2016-1395](https://insights.sbomify.com/CVE-2016-1395/): Command injection in n/a (critical 9.8)
- [CVE-2020-3146](https://insights.sbomify.com/CVE-2020-3146/): Cisco RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote Command Execution Multiple Vulnerabilities (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2015-6397 and fix it if it is affected.

What it is: CVE-2015-6397 is a high-severity vulnerability in Cisco Rv215w Wireless-N Vpn Router Firmware, published on 8 Aug 2016. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2015-6397 in the wild and no public exploit code.

Affected product: Cisco Rv215w Wireless-N Vpn 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-2015-6397/ (Markdown: https://insights.sbomify.com/CVE-2015-6397/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2015-6397
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2015-6397
- OSV: https://osv.dev/vulnerability/CVE-2015-6397

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From sbomify Insights: https://insights.sbomify.com/CVE-2015-6397/
Summaries are generated and may contain mistakes; the official description above is the record.