# CVE-2020-35136: Dolibarr authenticated Remote Code Execution

> An authenticated admin can achieve remote code execution by injecting commands into the backup filename parameter in Dolibarr.

- **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 23 Dec 2020
- **Updated:** 4 Aug 2024
- **Also known as:** BIT-dolibarr-2020-35136, GHSA-7x8g-h246-gvx3, UBUNTU-CVE-2020-35136

## What is CVE-2020-35136?

CVE-2020-35136 is a high-severity command injection vulnerability in Dolibarr Dolibarr Erp\/Crm, published on 23 Dec 2020. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Dolibarr 12.0.3 is vulnerable to authenticated Remote Code Execution. An attacker who has the access the admin dashboard can manipulate the backup function by inserting a payload into the filename for the zipfilename_template parameter to admin/tools/dolibarr_export.php.

Weakness: CWE-88 (Improper Neutralization of Argument Delimiters in a Command)

## Which versions are affected by CVE-2020-35136?

3 open source packages ship an affected version, including dolibarr/dolibarr and dolibarr. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `dolibarr/dolibarr` | Packagist | All versions | 12.0.4 |
| `dolibarr/dolibarr` | Packagist | All versions | 12.0.4 |
| `dolibarr` | Bitnami | From 12.0.3 to 12.0.3 | None |

Products: Dolibarr Dolibarr Erp\/Crm.

## How do I fix CVE-2020-35136?

Upgrade dolibarr/dolibarr to 12.0.4 or later.

## Is CVE-2020-35136 being exploited?

There is no known exploitation of CVE-2020-35136 in the wild and no public exploit code.

## Other vulnerabilities in Dolibarr Dolibarr Erp\/Crm

- [CVE-2022-43138](https://insights.sbomify.com/CVE-2022-43138/): Dolibarr vulnerable to privilege escalation (critical 9.8)
- [CVE-2022-40871](https://insights.sbomify.com/CVE-2022-40871/): Dolibarr vulnerable to Eval Injection (critical 9.8)
- [CVE-2021-33816](https://insights.sbomify.com/CVE-2021-33816/): Dolibarr remote PHP code execution (critical 9.8)
- [CVE-2020-7995](https://insights.sbomify.com/CVE-2020-7995/): Dolibarr Improper Restriction of Excessive Authentication Attempts (critical 9.8)
- [CVE-2013-2091](https://insights.sbomify.com/CVE-2013-2091/): SQL injection in dolibarr (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-35136 and fix it if it is affected.

What it is: CVE-2020-35136 is a high-severity command injection vulnerability in Dolibarr Dolibarr Erp\/Crm, published on 23 Dec 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2020-35136 in the wild and no public exploit code.

Affected packages and fixed versions:
- dolibarr/dolibarr (Packagist): affected all versions; fixed in 12.0.4
- dolibarr/dolibarr (Packagist): affected all versions; fixed in 12.0.4
- dolibarr (Bitnami): affected from 12.0.3 up to 12.0.3; no fix listed

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-2020-35136/ (Markdown: https://insights.sbomify.com/CVE-2020-35136/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-35136
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-35136
- OSV: https://osv.dev/vulnerability/CVE-2020-35136

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-35136/
Summaries are generated and may contain mistakes; the official description above is the record.