CVE-2021-21951

CVSS V2 High 10 CVSS V3 Critical 10

Description

An out-of-bounds write vulnerability exists in the CMD_DEVICE_GET_SERVER_LIST_REQUEST functionality of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h in function read_udp_push_config_file. A specially-crafted network packet can lead to code execution.

Overview

CVE ID
CVE-2021-21951

Assigner
talos-cna@cisco.com

Vulnerability Status
Analyzed

Published Version
2021-12-08T22:15:08

Last Modified Date
2022-07-29T15:08:18

Weakness Enumerations

CWE	URL
CWE-119	http://cwe.mitre.org/data/definitions/119.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
		AND
cpe:2.3:o:anker:eufy_homebase_2_firmware:2.1.6.9h:::::::*	1	OR
cpe:2.3:h:anker:eufy_homebase_2:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:C/I:C/A:C

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
10

Severity
HIGH

Exploitability Score
10

Impact Score
10

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
CHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
10

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
6

References

Reference URL	Reference Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1378	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-21951
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21951

History

Created	Old Value	New Value	Data Type	Notes
2022-04-20 17:01:47				Added to TrackCVE
2022-12-06 03:23:53	2021-12-08T22:15Z	2021-12-08T22:15:08	CVE Published Date	updated
2022-12-06 03:23:53		2022-07-29T15:08:18	CVE Modified Date	updated
2022-12-06 03:23:53		Analyzed	Vulnerability Status	updated