Critical severity · published Apr 26, 2021
CVE-2021-20711
Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker to execute arbitrary OS commands via unspecified vectors
9.8
CVSS
1.4%
EPSS
No
On KEV
Description
Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker to execute arbitrary OS commands via unspecified vectors.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AW
Aterm Wg2600hs Firmware · Nec
through 1.5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20711
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20711
Mitigation
https://jpn.nec.com/security-info/secinfo/nv21-010.html
Third Party Advisory
https://jvn.jp/en/jp/JVN29739718/index.html
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