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[email protected]NVD:CVE-2020-20213

HistoryJul 07, 2021 - 2:15 p.m.

CVE-2020-20213

2021-07-0714:15:09

CWE-674

[email protected]

web.nvd.nist.gov

mikrotik

routeros

stack exhaustion

/nova/bin/net

denial of service

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.004

Percentile

72.5%

JSON

Mikrotik RouterOs 6.44.5 (long-term tree) suffers from an stack exhaustion vulnerability in the /nova/bin/net process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.

Affected configurations

Nvd

Node

mikrotikrouterosMatch6.44.5ltr

VendorProductVersionCPE
mikrotikrouteros6.44.5cpe:2.3:o:mikrotik:routeros:6.44.5:*:*:*:ltr:*:*:*

Vendor	Product	Version	CPE
mikrotik	routeros	6.44.5	cpe:2.3:o:mikrotik:routeros:6.44.5::::ltr:::

References

seclists.org/fulldisclosure/2021/May/10

cwe.mitre.org/data/definitions/674.html

mikrotik.com/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.004

Percentile

72.5%

JSON

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