# CVE-2017-17562: Embedthis GoAhead Remote Code Execution Vulnerability

Source: https://junglewise.ai/threats/cve-2017-17562-embedthis-goahead-remote-code-execution-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-12-10. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2017-17562 · Severity: critical · CVSS 8.1 · Exploited in the wild · Published 2021-12-10

Embedthis GoAhead allows remote code execution when CGI is enabled and a CGI program is dynamically linked. The vulnerability occurs because the cgiHandler function initializes the environment of forked CGI scripts using untrusted HTTP request parameters, allowing attackers to inject environment variables like LD_PRELOAD.

## Quick answers

**Is CVE-2017-17562 exploited in the wild?** Yes. CVE-2017-17562 is known to be exploited in the wild, first recorded on 10 December 2021. Treat it as urgent.

**How severe is CVE-2017-17562?** Critical severity, with a CVSS score of 8.1, published 10 December 2021.

**Which products and versions are affected?** Embedthis GoAhead before 3.6.5; Oracle Integrated Lights Out Manager 3.0, 4.0.

**Is there a fix for CVE-2017-17562?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2017-17562 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2017-17562?** Check whether you run Embedthis GoAhead. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Embedthis GoAhead before 3.6.5
- Oracle Integrated Lights Out Manager 3.0, 4.0

## Timeline

- 2017-12-12: disclosed: Initial vulnerability disclosure date based on CVE ID year and external references.
- 2021-12-10: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.