High severity · published Apr 26, 2021
CVE-2021-20708
NEC Aterm devices (Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware Ver1.3.3 and earlier, and Aterm WG2600HS firmware Ver1.5.1 and earlier) allow…
7.2
CVSS
1.2%
EPSS
No
On KEV
Description
NEC Aterm devices (Aterm WF1200CR firmware Ver1.3.2 and earlier, Aterm WG1200CR firmware Ver1.3.3 and earlier, and Aterm WG2600HS firmware Ver1.5.1 and earlier) allow authenticated attackers to execute arbitrary OS commands by sending a specially crafted request to a specific URL.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AW
Aterm Wf1200cr Firmware · Nec
through 1.3.2 · source: NVD
AW
Aterm Wg1200cr Firmware · Nec
through 1.3.3 · source: NVD
AW
Aterm Wg2600hs Firmware · Nec
through 1.5.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20708
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20708
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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