CVE-2020-6994

CRITICAL

Belden Hirschmann Hios < 07.0.02 - Buffer Overflow

Title source: rule
STIX 2.1

Description

A buffer overflow vulnerability was found in some devices of Hirschmann Automation and Control HiOS and HiSecOS. The vulnerability is due to improper parsing of URL arguments. An attacker could exploit this vulnerability by specially crafting HTTP requests to overflow an internal buffer. The following devices using HiOS Version 07.0.02 and lower are affected: RSP, RSPE, RSPS, RSPL, MSP, EES, EES, EESX, GRS, OS, RED. The following devices using HiSecOS Version 03.2.00 and lower are affected: EAGLE20/30.

References (1)

Core 1
Core References
Mitigation, Third Party Advisory, US Government Resource x_refsource_misc
https://www.us-cert.gov/ics/advisories/icsa-20-091-01

Scores

CVSS v3 9.8
EPSS 0.0008
EPSS Percentile 23.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-12 CWE-120
Status published
Products (2)
belden/hirschmann_hios < 07.0.02
belden/hirschmann_hisecos < 03.2.00
Published Apr 03, 2020
Tracked Since Feb 18, 2026