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MitreCVE-2020-20220

HistoryMay 18, 2021 - 8:15 p.m.

CVE-2020-20220

2021-05-1820:15:07

CWE-119

mitre

web.nvd.nist.gov

cve-2020-20220

mikrotik

routeros

memory corruption

dos vulnerability

nvd

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

0.002

Percentile

59.1%

JSON

Mikrotik RouterOs prior to stable 6.47 suffers from a memory corruption vulnerability in the /nova/bin/bfd process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

Affected configurations

Nvd

Node

mikrotikrouterosRange<6.47-

VendorProductVersionCPE
mikrotikrouteros*cpe:2.3:o:mikrotik:routeros:*:*:*:*:-:*:*:*

Vendor	Product	Version	CPE
mikrotik	routeros	*	cpe:2.3:o:mikrotik:routeros:::::-:::*

References

packetstormsecurity.com/files/162533/MikroTik-RouterOS-Memory-Corruption.html

seclists.org/fulldisclosure/2021/May/23

mikrotik.com/

Social References

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

0.002

Percentile

59.1%

JSON

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