CVE-2021-43663

CVSS V2 High 7.9 CVSS V3 High 7.5

Description

totolink EX300_v2 V4.0.3c.140_B20210429 was discovered to contain a command injection vulnerability via the component cloudupdate_check.

Overview

CVE ID
CVE-2021-43663

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2022-03-31T00:15:08

Last Modified Date
2022-04-05T19:13:08

Weakness Enumerations

CWE	URL
CWE-77	http://cwe.mitre.org/data/definitions/77.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
		AND
cpe:2.3:o:totolink:ex300_v2_firmware:4.0.3c.140_b20210429:::::::*	1	OR
cpe:2.3:h:totolink:ex300_v2:-:::::::*	0	OR

CVSS Version 2

Version
2.0

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

Access Vector
ADJACENT_NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
7.9

Severity
HIGH

Exploitability Score
5.5

Impact Score
10

CVSS Version 3

Version
3.1

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

Attack Vector
ADJACENT_NETWORK

Attack Compatibility
HIGH

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.5

Base Severity
HIGH

Exploitability Score
1.6

Impact Score
5.9

References

Reference URL	Reference Tags
https://github.com/chibataiki/iot-vuls/blob/main/totolink/command-injection1.md

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-43663
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43663

History

Created	Old Value	New Value	Data Type	Notes
2022-04-04 00:39:58				Added to TrackCVE
2022-12-06 13:49:47	2022-03-31T00:15Z	2022-03-31T00:15:08	CVE Published Date	updated
2022-12-06 13:49:47		2022-04-05T19:13:08	CVE Modified Date	updated
2022-12-06 13:49:47		Analyzed	Vulnerability Status	updated