Medium severity · published Jan 28, 2021
CVE-2021-20620
Cross-site scripting vulnerability in Aterm WF800HP firmware Ver1.0.9 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors
6.1
CVSS
1.1%
EPSS
No
On KEV
Description
Cross-site scripting vulnerability in Aterm WF800HP firmware Ver1.0.9 and earlier allows remote attackers to inject an arbitrary script via unspecified vectors.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
Wg2600hp Firmware · Aterm
through 1.0.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20620
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20620
Third Party Advisory
https://jpn.nec.com/security-info/secinfo/nv21-005.html
Third Party Advisory
https://jvn.jp/en/jp/JVN38248512/index.html
Patch
https://www.aterm.jp/support/tech/2019/0328.html
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