CVE-2021-42258

Katalog CVE

CVSS 9.8 · Critical KEV · sudah dieksploitasi Dipakai ransomware EPSS 74,4%

Kerentanan Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') pada bqe billquick web suite. Skor CVSS 3.1 9.8 (Critical) menurut NVD. Masuk katalog KEV CISA pada 3 November 2021, artinya sudah terbukti dieksploitasi. Tercatat dipakai dalam kampanye ransomware.

Deskripsi (NVD)

BQE BillQuick Web Suite 2018 through 2021 before 22.0.9.1 allows SQL injection for unauthenticated remote code execution, as exploited in the wild in October 2021 for ransomware installation. SQL injection can, for example, use the txtID (aka username) parameter. Successful exploitation can include the ability to execute arbitrary code as MSSQLSERVER$ via xp_cmdshell.

Rincian

Terbit di NVD

22 Oktober 2021

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

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)

74,4% peluang dieksploitasi; lebih tinggi dari 99,4% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

BQE BillQuick Web Suite SQL Injection Vulnerability

Masuk KEV

3 November 2021

Tenggat CISA

17 November 2021 (untuk instansi federal AS)

Ransomware

Tercatat dipakai dalam kampanye ransomware

Tindakan wajib

Apply updates per vendor instructions.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42258 pemerintah AS
• https://www.huntress.com/blog/threat-advisory-hackers-are-exploiting-a-vulnerability-in-popular-billing-softwa... exploit · advisory pihak ketiga