Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-21729

Severity CVSS v4.0:
Pending analysis
Type:
CWE-330 Use of Insufficiently Random Value
Publication date:
13/04/2021
Last modified:
28/06/2022

Description

Some ZTE products have CSRF vulnerability. Because some pages lack CSRF random value verification, attackers could perform illegal authorization operations by constructing messages.This affects: ZXHN H168N V3.5.0_EG1T5_TE, V2.5.5, ZXHN H108N V2.5.5_BTMT1

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): None

Base Score 3.x
6.50
Severity 3.x
MEDIUM
Vector 2.0
AV:N/AC:M/Au:N/C:N/I:P/A:N CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Physical
Availability (A): None

Base Score 2.0
4.30
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:zte:zxhn_h168n_firmware:3.5.0_eg1t5_te:*:*:*:*:*:*:*
cpe:2.3:h:zte:zxhn_h168n:-:*:*:*:*:*:*:*
cpe:2.3:o:zte:zxhn_h108n_firmware:2.5.5_btmt1:*:*:*:*:*:*:*
cpe:2.3:h:zte:zxhn_h108n:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools