CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:N/I:P/A:N
AI Score
Confidence
Low
EPSS
Percentile
97.4%
write_ok.php in Zeroboard 4.1 pl8, when installed on Apache with mod_mime, allows remote attackers to bypass restrictions for uploading files with executable extensions by uploading a .htaccess file that with an AddType directive that assigns an executable module to files with assumed-safe extensions, as demonstrated by assigning the txt extension to be handled by application/x-httpd-php.