CVE-2021-21723
ZTE ZXR10 Denial of Service (DoS)
Description
Some ZTE products have a DoS vulnerability. Due to the improper handling of memory release in some specific scenarios, a remote attacker can trigger the vulnerability by performing a series of operations, resulting in memory leak, which may eventually lead to device denial of service. This affects: ZXR10 9904, ZXR10 9908, ZXR10 9916, ZXR10 9904-S, ZXR10 9908-S; all versions up to V1.01.10.B12.
INFO
Published Date :
Jan. 26, 2021, 6:16 p.m.
Last Modified :
Feb. 2, 2021, 9:19 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-21723
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.
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-2021-21723.
| URL | Resource |
|---|---|
| http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014424 | 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-2021-21723 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-21723 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 [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Feb. 02, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014424 No Types Assigned http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014424 Vendor Advisory Added CWE NIST CWE-401 Added CPE Configuration AND OR *cpe:2.3:o:zte:zxr10_9904_firmware:*:*:*:*:*:*:*:* versions up to (including) v1.01.10.b12 OR cpe:2.3:h:zte:zxr10_9904:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zte:zxr10_9908_firmware:*:*:*:*:*:*:*:* versions up to (including) v1.01.10.b12 OR cpe:2.3:h:zte:zxr10_9908:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zte:zxr10_9916_firmware:*:*:*:*:*:*:*:* versions up to (including) v1.01.10.b12 OR cpe:2.3:h:zte:zxr10_9916:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zte:zxr10_9904-s_firmware:*:*:*:*:*:*:*:* versions up to (including) v1.01.10.b12 OR cpe:2.3:h:zte:zxr10_9904-s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:zte:zxr10_9908-s_firmware:*:*:*:*:*:*:*:* versions up to (including) v1.01.10.b12 OR cpe:2.3:h:zte:zxr10_9908-s:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-21723 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-21723
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.21 }} 0.02%
score
0.58198
percentile