# CVE-2012-5864: Sinapsi eSolar Improper Authentication

> Attackers can gain unauthorized administrative access to Sinapsi eSolar devices by directly visiting internal pages without authentication.

- **Severity:** Critical 9.4 (`AV:N/AC:L/Au:N/C:C/I:C/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Nov 2012
- **Updated:** 8 Jul 2025
- **Also known as:** GHSA-v26h-2hg9-6mq7

## What is CVE-2012-5864?

CVE-2012-5864 is a critical missing authorization vulnerability in Sinapsi eSolar, published on 23 Nov 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

These Sinapsi devices 
do not check if users that visit pages within the device have properly 
authenticated. By directly visiting the pages within the device, 
attackers can gain unauthorized access with administrative privileges.

Weakness: CWE-264, CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2012-5864?

It affects 4 products.


Products: Sinapsitech Esolar Duo Photovoltaic System Monitor, Sinapsitech Esolar Light Photovoltaic System Monitor, Sinapsitech Esolar Photovoltaic System Monitor, Sinapsitech Sinapsi Firmware.

## How do I fix CVE-2012-5864?

No fix has been published for CVE-2012-5864 yet. Limit exposure of the affected software until one is available.

## Is CVE-2012-5864 being exploited?

There is no known exploitation of CVE-2012-5864 in the wild and no public exploit code.

Public exploit code:

- Ezylog Photovoltaic Management Server - Multiple Vulnerabilities (exploitdb)

## Other vulnerabilities in Sinapsi eSolar

- [CVE-2012-5862](https://insights.sbomify.com/CVE-2012-5862/): Sinapsi eSolar Hard-Coded Password (critical 10.0)
- [CVE-2012-5863](https://insights.sbomify.com/CVE-2012-5863/): Sinapsi eSolar OS Command Injection (critical 10.0)
- [CVE-2012-5861](https://insights.sbomify.com/CVE-2012-5861/): Sinapsi eSolar SQL Injection (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2012-5864 and fix it if it is affected.

What it is: CVE-2012-5864 is a critical missing authorization vulnerability in Sinapsi eSolar, published on 23 Nov 2012. 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-2012-5864 in the wild and no public exploit code.

Affected product: Sinapsi eSolar. 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-2012-5864/ (Markdown: https://insights.sbomify.com/CVE-2012-5864/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2012-5864
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2012-5864
- OSV: https://osv.dev/vulnerability/CVE-2012-5864

---
From sbomify Insights: https://insights.sbomify.com/CVE-2012-5864/
Summaries are generated and may contain mistakes; the official description above is the record.