PHP-FPM, onye njikwa usoro FastCGI gụnyere na isi nkesa PHP ebe ọ bụ na ngalaba 5.3, nwere ọghọm dị egwu CVE-2021-21703, nke na-enye ohere onye ọrụ nnabata na-enweghị ohere ịme koodu dị ka mgbọrọgwụ. Nsogbu a na-egosipụta onwe ya na sava ndị na-eji PHP-FPM hazie mmalite nke ederede PHP, nke a na-ejikarị na Nginx. Ndị na-eme nchọpụta chọpụtara nsogbu ahụ nwere ike ịkwado ụdị ọrụ nke nrigbu ahụ.