# CVE-2015-2881: Hardcoded credentials in Gynoii

> Gynoii contains hardcoded credentials for backdoor guest and admin accounts, allowing attackers to gain unauthorized access.

- **Severity:** Critical 9.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Apr 2017
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-wqr4-ww84-3prh

## What is CVE-2015-2881?

CVE-2015-2881 is a critical vulnerability in Gynoii, published on 10 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Gynoii has a password of guest for the backdoor guest account and a password of 12345 for the backdoor admin account.

Weakness: CWE-798 (Use of Hard-coded Credentials)

## Which versions are affected by CVE-2015-2881?

It affects 3 products.


Products: Gynoii Gcw-1010, Gynoii Gcw-1020, Gynoii Gpw-1025.

## How do I fix CVE-2015-2881?

No fix has been published for CVE-2015-2881 yet. Limit exposure of the affected software until one is available.

## Is CVE-2015-2881 being exploited?

There is no known exploitation of CVE-2015-2881 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2015-2881 and fix it if it is affected.

What it is: CVE-2015-2881 is a critical vulnerability in Gynoii, published on 10 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2015-2881 in the wild and no public exploit code.

Affected product: Gynoii. 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-2015-2881/ (Markdown: https://insights.sbomify.com/CVE-2015-2881/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2015-2881
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2015-2881
- OSV: https://osv.dev/vulnerability/CVE-2015-2881

---
From sbomify Insights: https://insights.sbomify.com/CVE-2015-2881/
Summaries are generated and may contain mistakes; the official description above is the record.