Vulnerability Details : CVE-2021-20712
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.
Products affected by CVE-2021-20712
- cpe:2.3:o:nec:aterm_wg2600hs_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:nec:aterm_wx3000hp_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20712
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20712
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
References for CVE-2021-20712
-
https://jvn.jp/en/jp/JVN29739718/index.html
JVN#29739718: Multiple vulnerabilities in Aterm WF1200CR, Aterm WG1200CR, Aterm WG2600HS, and Aterm WX3000HPThird Party Advisory
-
https://jpn.nec.com/security-info/secinfo/nv21-010.html
NV21-010: セキュリティ情報 | NECMitigation;Vendor Advisory
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