CVE-2021-31882

Katalog CVE

CVSS 7.5 · High EPSS 1,5%

Kerentanan Improper Restriction of Operations within the Bounds of a Memory Buffer pada siemens capital vstar, siemens nucleus net +8 lainnya. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303). The DHCP client application does not validate the length of the Domain Name Server IP option(s) (0x06) when processing DHCP ACK packets. This may lead to Denial-of-Service conditions. (FSMD-2021-0011)

Rincian

Terbit di NVD

9 November 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-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

EPSS (30 hari)

1,5% peluang dieksploitasi; lebih tinggi dari 74,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf advisory vendor
• https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf advisory vendor
• https://cert-portal.siemens.com/productcert/html/ssa-044112.html
• https://cert-portal.siemens.com/productcert/html/ssa-114589.html
• https://cert-portal.siemens.com/productcert/html/ssa-620288.html
• https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf