CVE-2021-27565

Katalog CVE

CVSS 7.5 · High EPSS 2,6%

Kerentanan Loop with Unreachable Exit Condition ('Infinite Loop') pada hcc-embedded nichestack. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

The web server in InterNiche NicheStack through 4.0.1 allows remote attackers to cause a denial of service (infinite loop and networking outage) via an unexpected valid HTTP request such as OPTIONS. This occurs because the HTTP request handler enters a miscoded wbs_loop() debugger hook.

Rincian

Terbit di NVD

19 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

EPSS (30 hari)

2,6% peluang dieksploitasi; lebih tinggi dari 84,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.forescout.com/blog/new-critical-operational-technology-vulnerabilities-found-on-nichestack/ mitigasi · advisory pihak ketiga
• https://www.kb.cert.org/vuls/id/608209 advisory pihak ketiga · pemerintah AS
• https://www.hcc-embedded.com/ product
• https://www.hcc-embedded.com/about/about-interniche product