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MitreCVE-2020-20231

HistoryJul 14, 2021 - 2:15 p.m.

CVE-2020-20231

2021-07-1414:15:08

CWE-787

CWE-476

mitre

web.nvd.nist.gov

mikrotik

routeros

cve-2020-20231

memory corruption

vulnerability

dos

null pointer dereference

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

57.1%

JSON

Mikrotik RouterOs through stable version 6.48.3 suffers from a memory corruption vulnerability in the /nova/bin/detnet process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).

Affected configurations

Nvd

Node

mikrotikrouterosRange6.44.6–6.48.3

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

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

References

github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20231/README.md

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

57.1%

JSON

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