CVE-2021-42342: Malicious File Upload
First published: Thu Oct 14 2021(Updated: )
An issue was discovered in GoAhead 4.x and 5.x before 5.1.5. In the file upload filter, user form variables can be passed to CGI scripts without being prefixed with the CGI prefix. This permits tunneling untrusted environment variables into vulnerable CGI scripts.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Embedthis GoAhead | >=4.0.0<=4.1.3 | |
| Embedthis GoAhead | >=5.0.0<5.1.5 | |
| >=4.0.0<=4.1.3 | ||
| >=5.0.0<5.1.5 |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-42342.
What is the severity of CVE-2021-42342?
The severity of CVE-2021-42342 is critical, with a severity value of 9.8.
What is the affected software for CVE-2021-42342?
The affected software for CVE-2021-42342 is GoAhead 4.x and 5.x before 5.1.5.
What is the description of CVE-2021-42342?
CVE-2021-42342 is an issue in GoAhead where user form variables can be passed to CGI scripts without being prefixed with the CGI prefix, allowing tunneling untrusted environment variables into vulnerable CGI scripts.
How can I fix CVE-2021-42342?
To fix CVE-2021-42342, update to GoAhead version 5.1.5 or later.
- collector/nvd-index
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/references
- agent/weakness
- agent/description
- agent/first-publish-date
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/author
- agent/softwarecombine
- agent/tags
- agent/event
- vendor/embedthis
- canonical/embedthis goahead
- version/embedthis goahead/4.0.0
- version/embedthis goahead/4.1.3
- version/embedthis goahead/5.0.0