AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2020-6994

CRITICAL · CVSS 9.8 EPSS 1.61% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-04-03 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-6994
Severity
CRITICAL
CVSS
9.8
EPSS
1.61%

Original NVD 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.