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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
jpcertCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 48%
VendorProductVersion
necaterm_wg2600hs_firmware
𝑥
≤ 1.5.1
necaterm_wx3000hp_firmware
𝑥
≤ 1.1.2
𝑥
= Vulnerable software versions
References
https://jpn.nec.com/security-info/secinfo/nv21-010.html
https://jvn.jp/en/jp/JVN29739718/index.html
https://jpn.nec.com/security-info/secinfo/nv21-010.html
https://jvn.jp/en/jp/JVN29739718/index.html