CVE-2021-20712
NEC Aterm IPv6 Firewall Access Control Vulnerability
Description
Improper access control vulnerability in NEC Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier allows a device connected to the LAN side to be accessed from the WAN side due to the defect in the IPv6 firewall function.
INFO
Published Date :
April 26, 2021, 1:15 a.m.
Last Modified :
July 12, 2022, 5:42 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
1.4
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2021-20712
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-2021-20712.
| URL | Resource |
|---|---|
| https://jpn.nec.com/security-info/secinfo/nv21-010.html | Mitigation Vendor Advisory |
| https://jvn.jp/en/jp/JVN29739718/index.html | Third Party 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-2021-20712 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-20712 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 -
CWE Remap by [email protected]
Jul. 12, 2022
Action Type Old Value New Value Changed CWE CWE-863 NVD-CWE-Other -
Initial Analysis by [email protected]
May. 05, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Changed Reference Type https://jpn.nec.com/security-info/secinfo/nv21-010.html No Types Assigned https://jpn.nec.com/security-info/secinfo/nv21-010.html Mitigation, Vendor Advisory Changed Reference Type https://jvn.jp/en/jp/JVN29739718/index.html No Types Assigned https://jvn.jp/en/jp/JVN29739718/index.html Third Party Advisory Added CWE NIST CWE-863 Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wg2600hs_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.5.1 OR cpe:2.3:h:nec:aterm_wg2600hs:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:nec:aterm_wx3000hp_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.1.2 OR cpe:2.3:h:nec:aterm_wx3000hp:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-20712 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-2021-20712
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} 0.01%
score
0.37942
percentile