SSH Daemon Denial of Service Vulnerability in MikroTik Routers
CVE-2020-10364

7.5HIGH

Key Information:

Vendor

Mikrotik

Status
Routeros
Vendor
CVE Published:
23 March 2020

What is CVE-2020-10364?

The SSH daemon in MikroTik routers, specifically versions up to v6.44.3, is susceptible to a vulnerability that allows remote attackers to exploit uncontrolled resource management. By executing specific connect and write system calls, attackers can generate excessive CPU activity on the affected device. This can ultimately lead to the denial of new authorized connections, potentially resulting in a complete system reboot. Such vulnerabilities highlight significant concerns for device availability and the importance of maintaining up-to-date firmware.

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References

https://www.exploit-db.com/exploits/48228
x_refsource_MISC
https://packetstormsecurity.com/files/156790/Microtik-SSH...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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