Critical severity · published Oct 14, 2021
CVE-2021-42342
An issue was discovered in GoAhead 4.x and 5.x before 5.1.5
9.8
CVSS
59.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)59.5% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GO
Goahead · Embedthis
4.0.0 through 4.1.3; 5.0.0 before 5.1.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-42342
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-42342
Third Party Advisory
https://github.com/embedthis/goahead/issues/305
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