---
title: "TYPO3-EXT-SA-2017-005: Remote Code Execution in extension \"AH Sendmail\" (ah_sendmail)"
url: "https://news.typo3.com/security/advisory/typo3-ext-sa-2017-005"
description: "It has been discovered that the extension \"AH Sendmail\" (ah_sendmail) is susceptible to Remote Code Execution."
image: "https://news.typo3.com/_assets/d1e01514e4c4a5b3147940fa2ec50682/Images/og-image-news.jpg"
date: 2026-06-11
modified: 2026-06-11
categories:
  - TYPO3 Extensions
---

# TYPO3-EXT-SA-2017-005: Remote Code Execution in extension "AH Sendmail" (ah_sendmail)

- Security / [TYPO3 Extensions](https://news.typo3.com/article/category/security/typo3-extensions)

TYPO3-EXT-SA-2017-005: Remote Code Execution in extension "AH Sendmail" (ah\_sendmail)
======================================================================================

11 July 2017

![](https://news.typo3.com/fileadmin/_processed_/5/4/csm_libdems_1webp-ezgif.com-webp-to-jpg-converter_0897676b5d.webp)

It has been discovered that the extension "AH Sendmail" (ah\_sendmail) is susceptible to Remote Code Execution.

- ![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/e4eaa13e33dd086a9c06f2570cb34609.jpeg)[Torben Hansen](https://news.typo3.com/article/author/torben-hansen)

**Release Date:** May xx, 2017

**Component Type:** Third party extension. This extension is not a part of the TYPO3 default installation.

**Affected Versions:** version 2.0.0 and below

**Vulnerability Type:** Remote Code Execution

**Severity:** Low

**Suggested CVSS v2.0:** [AV:N/AC:L/Au:S/C:N/I:P/A:N/E:F/RL:O/RC:C](http://jvnrss.ise.chuo-u.ac.jp/jtg/cvss/cvss2.cgi?vector=%28AV:N/AC:L/Au:S/C:N/I:P/A:N/E:F/RL:O/RC:C%29&g=2&lang=en "CVSS calculator") ([What's that?](http://buzz.typo3.org/teams/security/article/use-of-common-vulnerability-scoring-system-in-typo3-security-advisories/ "Blog post on CVSS usage"))

**CVE:** not assigned yet

**Problem Description:** The extension uses an old version of PHPMailer, which is known to be vulnerable to Remote Code Execution (CVE-2016-10045).

**Solution:** Versions of this extension that are known to be vulnerable will no longer be available for download from the TYPO3 Extension Repository. The extension author is no longer maintaining this extension. Please uninstall and delete the extension from your installation.

**Credits**: Credits go to Clemens Riccabona who discovered and reported the vulnerability.

**General advice:** Follow the recommendations that are given in the [TYPO3 Security Guide](http://docs.typo3.org/typo3cms/SecurityGuide/ "Initiates file download"). Please subscribe to the [typo3-announce mailing list](http://lists.typo3.org/cgi-bin/mailman/listinfo/typo3-announce "Opens external link in new window") to receive future Security Bulletins via E-mail.

![](https://news.typo3.com/typo3temp/assets/t3g/blog/gravatar/7cf52722a5b7183b29d378a2284bd103.jpeg)

About the Author

[Torben Hansen](https://news.typo3.com/article/author/torben-hansen)

Open Source Enthusiast & TYPO3 Expert

I’m a passionate open-source advocate and dedicated TYPO3 expert. As a freelancer, I offer professional TYPO3 services to clients while actively contributing to the TYPO3 ecosystem. I have developed several public TYPO3 extensions and serve as the Co-Lead of the TYPO3 Security Team, helping to enhance the platform’s security and functionality. For many years, I have been blogging about TYPO3, sharing insights and expertise with the community.

[More posts by this author](https://news.typo3.com/article/author/torben-hansen)