CVE-2021-42077

Katalog CVE

CVSS 9.8 · Critical EPSS 2,5%

Kerentanan Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') pada kaysongroup php event calendar. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

PHP Event Calendar before 2021-09-03 allows SQL injection, as demonstrated by the /server/ajax/user_manager.php username parameter. This can be used to execute SQL statements directly on the database, allowing an adversary in some cases to completely compromise the database system. It can also be used to bypass the login form.

Rincian

Terbit di NVD

8 November 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

EPSS (30 hari)

2,5% peluang dieksploitasi; lebih tinggi dari 84,3% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• http://packetstormsecurity.com/files/164777/PHP-Event-Calendar-Lite-Edition-SQL-Injection.html exploit · advisory pihak ketiga · vdb entry
• https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-048.txt exploit · advisory pihak ketiga