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[email protected]NVD:CVE-2020-20248

HistoryJul 19, 2021 - 6:15 p.m.

CVE-2020-20248

2021-07-1918:15:08

CWE-400

[email protected]

web.nvd.nist.gov

mikrotik

routeros

resource consumption

dos

cpu overloading

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

52.1%

JSON

Mikrotik RouterOs before stable 6.47 suffers from an uncontrolled resource consumption in the memtest process. An authenticated remote attacker can cause a Denial of Service due to overloading the systems CPU.

Affected configurations

Nvd

Node

mikrotikrouterosMatch6.47

VendorProductVersionCPE
mikrotikrouteros6.47cpe:2.3:o:mikrotik:routeros:6.47:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mikrotik	routeros	6.47	cpe:2.3:o:mikrotik:routeros:6.47:::::::*

References

cwe.mitre.org/data/definitions/400.html

github.com/cq674350529/pocs_slides/blob/master/advisory/MikroTik/CVE-2020-20248/README.md

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

52.1%

JSON

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