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MitreCVE-2021-41987

HistoryMar 16, 2022 - 3:15 p.m.

CVE-2021-41987

2022-03-1615:15:14

CWE-787

mitre

web.nvd.nist.gov

178

cve

2021

41987

routeros

scep server

buffer overflow

mikrotik

remote code execution

nvd

security vulnerability

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.4

Confidence

High

EPSS

0.004

Percentile

73.6%

JSON

In the SCEP Server of RouterOS in certain Mikrotik products, an attacker can trigger a heap-based buffer overflow that leads to remote code execution. The attacker must know the scep_server_name value. This affects RouterOS 6.46.8, 6.47.9, and 6.47.10.

Affected configurations

Nvd

Node

mikrotikrouterosMatch6.46.8

mikrotikrouterosMatch6.47.9

mikrotikrouterosMatch6.47.10

VendorProductVersionCPE
mikrotikrouteros6.46.8cpe:2.3:o:mikrotik:routeros:6.46.8:*:*:*:*:*:*:*
mikrotikrouteros6.47.9cpe:2.3:o:mikrotik:routeros:6.47.9:*:*:*:*:*:*:*
mikrotikrouteros6.47.10cpe:2.3:o:mikrotik:routeros:6.47.10:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mikrotik	routeros	6.46.8	cpe:2.3:o:mikrotik:routeros:6.46.8:::::::*
mikrotik	routeros	6.47.9	cpe:2.3:o:mikrotik:routeros:6.47.9:::::::*
mikrotik	routeros	6.47.10	cpe:2.3:o:mikrotik:routeros:6.47.10:::::::*

References

mikrotik.com/download/archive

teamt5.org/en/posts/vulnerability-mikrotik-cve-2021-41987/

Social References

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

8.4

Confidence

High

EPSS

0.004

Percentile

73.6%

JSON

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