6.5
MEDIUM
CVE-2021-21729
"ZTE CSRF Authorization Bypass"
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

INFO

Published Date :

April 13, 2021, 4:15 p.m.

Last Modified :

Nov. 21, 2024, 5:48 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2021-21729 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Zte zxhn_h108n_firmware
2 Zte zxhn_h168n_firmware
3 Zte zxhn_h108n
4 Zte zxhn_h168n
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-21729.

URL Resource
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014904 Vendor Advisory
https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014904 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-21729 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-21729 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014904
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jun. 28, 2022

    Action Type Old Value New Value
    Changed CWE CWE-352 CWE-330 CWE-352
  • Initial Analysis by [email protected]

    Apr. 21, 2021

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
    Changed Reference Type https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014904 No Types Assigned https://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014904 Vendor Advisory
    Added CWE NIST CWE-352
    Added CPE Configuration AND OR *cpe:2.3:o:zte:zxhn_h168n_firmware:3.5.0_eg1t5_te:*:*:*:*:*:*:* OR cpe:2.3:h:zte:zxhn_h168n:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:zte:zxhn_h108n_firmware:2.5.5_btmt1:*:*:*:*:*:*:* OR cpe:2.3:h:zte:zxhn_h108n:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-21729 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} 0.00%

score

0.19466

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability