Vulnerability Monitor

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CVE-2020-6994

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.

Published

2020-04-03T19:15:13.250

Last Modified

2024-11-21T05:36:27.270

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-12
  • Type: Primary
    CWE-120
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System belden hirschmann_hios ≤ 07.0.02 Yes
Hardware belden hirschmann_embedded_ethernet_switch - No
Hardware belden hirschmann_embedded_ethernet_switch_extended - No
Hardware belden hirschmann_greyhound_swtich - No
Hardware belden hirschmann_mice_switch_power - No
Hardware belden hirschmann_octopus - No
Hardware belden hirschmann_prp_redbox - No
Hardware belden hirschmann_rail_switch_power - No
Hardware belden hirschmann_rail_switch_power_enhanced - No
Hardware belden hirschmann_rail_switch_power_lite - No
Hardware belden hirschmann_rail_switch_power_smart - No
Operating System belden hirschmann_hisecos ≤ 03.2.00 Yes
Hardware belden hirschmann_eagle20 - No
Hardware belden hirschmann_eagle30 - No
References