# CVE-2021-47731: Selea Targa IP Camera Developer Backdoor Configuration Overwrite

> Attackers can use a hard-coded developer password to access an undocumented page and overwrite device configuration settings.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Dec 2025
- **Updated:** 7 Apr 2026
- **Also known as:** GHSA-5p74-h2ww-pwhx

## What is CVE-2021-47731?

CVE-2021-47731 is a critical vulnerability in Selea Targa IP OCR-ANPR Camera, published on 9 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Selea Targa IP OCR-ANPR Camera contains a hard-coded developer password vulnerability that allows unauthorized configuration access through an undocumented page. Attackers can exploit the hidden endpoint by using the hard-coded password 'Selea781830' to enable configuration upload and overwrite device settings.

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2021-47731?

It affects 12 products.


Products: Selea Carplateserver, Selea Izero Box Full Firmware, Selea Izero Column Entry\/8 Firmware, Selea Izero Column Full\/8 Firmware, Selea Targa 504 Firmware, Selea Targa 512 Firmware, Selea Targa 704 Ilb Firmware, Selea Targa 704 Tkm Firmware, Selea Targa 710 Inox Firmware, Selea Targa 750 Firmware, Selea Targa 805 Firmware, Selea Targa Semplice Firmware.

## How do I fix CVE-2021-47731?

No fix has been published for CVE-2021-47731 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-47731 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47731 exists.

## Other vulnerabilities in Selea Targa IP OCR-ANPR Camera

- [CVE-2021-47728](https://insights.sbomify.com/CVE-2021-47728/): Selea Targa IP Camera Remote Code Execution via Utils (critical 9.3)
- [CVE-2021-47727](https://insights.sbomify.com/CVE-2021-47727/): Selea Targa IP Camera Unauthenticated Stream Disclosure (high 8.7)
- [CVE-2021-47730](https://insights.sbomify.com/CVE-2021-47730/): Selea Targa IP Camera Cross-Site Request Forgery via Admin Creation (high 8.5)
- [CVE-2021-47729](https://insights.sbomify.com/CVE-2021-47729/): Selea Targa IP Camera Stored Cross-Site Scripting via Files List (medium 5.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-47731 and fix it if it is affected.

What it is: CVE-2021-47731 is a critical vulnerability in Selea Targa IP OCR-ANPR Camera, published on 9 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47731 exists.

Affected product: Selea Targa IP OCR-ANPR Camera. 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-2021-47731/ (Markdown: https://insights.sbomify.com/CVE-2021-47731/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-47731
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-47731
- OSV: https://osv.dev/vulnerability/CVE-2021-47731

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-47731/
Summaries are generated and may contain mistakes; the official description above is the record.