# CVE-2023-46736: Server-Side Request Forgery in espocrm

> Attackers with access to the image upload endpoint can exploit SSRF to disclose internal information and bypass firewalls.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 5 Dec 2023
- **Updated:** 2 Aug 2024
- **Also known as:** BIT-espocrm-2023-46736, GHSA-g955-rwxx-jvf6

## What is CVE-2023-46736?

CVE-2023-46736 is a medium-severity server-side request forgery vulnerability in espocrm, published on 5 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

EspoCRM is an Open Source CRM (Customer Relationship Management) software. In affected versions there is Server-Side Request Forgery (SSRF) vulnerability via the upload image from url api. Users who have access to `the /Attachment/fromImageUrl` endpoint can specify URL to point to an internal host. Even though there is check for content type, it can be bypassed by redirects in some cases. This SSRF can be leveraged to disclose internal information (in some cases), target internal hosts and bypass firewalls. This vulnerability has been addressed in commit `c536cee63` which is included in release version 8.0.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Weakness: CWE-918 (Server-Side Request Forgery)

## Which versions are affected by CVE-2023-46736?

1 open source package ship an affected version, including espocrm. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `espocrm` | Bitnami | All versions | 8.0.2 |

Products: Espocrm Espocrm.

## How do I fix CVE-2023-46736?

Upgrade espocrm to 8.0.2 or later.

## Is CVE-2023-46736 being exploited?

There is no known exploitation of CVE-2023-46736 in the wild and no public exploit code.

## Other vulnerabilities in espocrm

- [CVE-2014-7985](https://insights.sbomify.com/CVE-2014-7985/): Path traversal in n/a (critical 10.0)
- [CVE-2026-33656](https://insights.sbomify.com/CVE-2026-33656/): Path traversal in espocrm (critical 9.1)
- [CVE-2022-38843](https://insights.sbomify.com/CVE-2022-38843/): File upload in n/a (high 8.8)
- [CVE-2019-14351](https://insights.sbomify.com/CVE-2019-14351/): Information disclosure in n/a (high 8.8)
- [CVE-2020-37094](https://insights.sbomify.com/CVE-2020-37094/): EspoCRM 5.7.0 < 5.9.0 - Two-Factor Authentication Bypass via Auth Token Reuse Between Accounts with Identical Passwords (high 8.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-46736 and fix it if it is affected.

What it is: CVE-2023-46736 is a medium-severity server-side request forgery vulnerability in espocrm, published on 5 Dec 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-46736 in the wild and no public exploit code.

Affected packages and fixed versions:
- espocrm (Bitnami): affected all versions; fixed in 8.0.2

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-2023-46736/ (Markdown: https://insights.sbomify.com/CVE-2023-46736/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-46736
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-46736
- OSV: https://osv.dev/vulnerability/CVE-2023-46736

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-46736/
Summaries are generated and may contain mistakes; the official description above is the record.