CVE-2021-20988 Vulnerability Details

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CVE-2021-20988 Metadata Quick Info

CVE Published: 13/05/2021 | CVE Updated: 16/09/2024 | CVE Year: 2021
Source: CERTVDE | Vendor: Hilscher | Product: rcX RTOS
Status : PUBLISHED

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CVE-2021-20988 Description

In Hilscher rcX RTOS versions prios to V2.1.14.1 the actual UDP packet length is not verified against the length indicated by the packet. This may lead to a denial of service of the affected device.

Metrics

CVSS Version: 3.1 | Base Score: 8.6 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* NONE
    User Interaction (UI)* NONE
    Scope (S)* CHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* NONE
    Integrity Impact (I)* NONE
    Availability Impact (A)* HIGH

Weakness Enumeration (CWE)

CWE-ID: CWE-119
CWE Name: CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Source: Hilscher

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).