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CVE-2020-6994

Published: Apr 3, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-12
9.8CRITICAL
NVD MITRE
EPSS Score
1.6%
Top 27.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-12CWE-120

Affected Products

Hirschmann Automation and Control GmbH, a division of Belden Inc.
commercial·USaka belden, belden hirschmann, tofino security appliance
hirschmann hios
Networking Infrastructure
hirschmann hisecos
Networking Infrastructure
HiOS for the following devices RSP, RSPE, RSPS, RSPL, MSP, EES, EES, EESX, GRS, OS, REDEmbedded
ICS / OT / IoT / industrial-network
HiSecOS for device EAGLE20/30Embedded
ICS / OT / IoT / industrial-network
Belden Inc.
commercial·USaka belden
Hirschmann HiOS
Networking Infrastructure
Hirschmann HiSecOS
Networking Infrastructure

Exploitability

Official Patch Available
Workaround Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.securitylab.ru/vulnerability/506444.php
securitylab.ru
https://nvd.nist.gov/vuln/detail/CVE-2020-6994
nvd.nist.gov
https://www.cisa.gov/uscert/ics/advisories/icsa-20-091-01
cisa.gov
and 7 more references View all →

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