CVE-2021-21740

CVSS V2 Low 2.1 CVSS V3 Low 2.4

Description

There is an information leak vulnerability in the digital media player (DMS) of ZTE's residential gateway product. The attacker could insert the USB disk with the symbolic link into the residential gateway, and access unauthorized directory information through the symbolic link, causing information leak.

Overview

CVE ID
CVE-2021-21740

Assigner
psirt@zte.com.cn

Vulnerability Status
Analyzed

Published Version
2021-08-09T16:15:07

Last Modified Date
2021-08-17T14:03:15

Weakness Enumerations

CWE	URL
CWE-59	http://cwe.mitre.org/data/definitions/59.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
		AND
cpe:2.3:o:zte:zxhn_h2640_firmware:10.0.0c6_ty:::::::*	1	OR
cpe:2.3:h:zte:zxhn_h2640:-:::::::*	0	OR

CVSS Version 2

Version
2.0

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

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
2.1

Severity
LOW

Exploitability Score
3.9

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
PHYSICAL

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
2.4

Base Severity
LOW

Exploitability Score
0.9

Impact Score
1.4

References

Reference URL	Reference Tags
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1017244	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-21740
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21740

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 06:56:58				Added to TrackCVE
2022-12-05 07:43:33	2021-08-09T16:15Z	2021-08-09T16:15:07	CVE Published Date	updated
2022-12-05 07:43:33		2021-08-17T14:03:15	CVE Modified Date	updated
2022-12-05 07:43:33		Analyzed	Vulnerability Status	updated