CVE-2020-6994

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/3/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

belden:hirschmann_eagle20belden:hirschmann_eagle30belden:hirschmann_embedded_ethernet_switchbelden:hirschmann_embedded_ethernet_switch_extendedbelden:hirschmann_greyhound_swtichbelden:hirschmann_hiosbelden:hirschmann_hisecosbelden:hirschmann_mice_switch_powerbelden:hirschmann_octopusbelden:hirschmann_prp_redboxbelden:hirschmann_rail_switch_powerbelden:hirschmann_rail_switch_power_enhancedbelden:hirschmann_rail_switch_power_litebelden:hirschmann_rail_switch_power_smart

Weaknesses (CWE)

CWE-12CWE-120

References

https://www.us-cert.gov/ics/advisories/icsa-20-091-01(ics-cert@hq.dhs.gov)

https://www.us-cert.gov/ics/advisories/icsa-20-091-01(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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