What is the severity of CVE-2021-20621?

CVE-2021-20621 is classified as a high severity vulnerability due to its potential for remote exploitation via CSRF.

How do I fix CVE-2021-20621?

To fix CVE-2021-20621, you should update the Aterm WG2600HP or WG2600HP2 firmware to a version later than 1.0.2.

What types of attacks can exploit CVE-2021-20621?

CVE-2021-20621 can be exploited through cross-site request forgery attacks, allowing unauthorized actions to be performed by an authenticated user.

Which firmware versions are affected by CVE-2021-20621?

Firmware versions 1.0.2 and earlier of both Aterm WG2600HP and WG2600HP2 are affected by CVE-2021-20621.

Who is at risk of CVE-2021-20621?

Administrators of NEC Aterm WG2600HP and WG2600HP2 devices are at risk of CVE-2021-20621 if they are using the vulnerable firmware versions.

Vulnerability/
CVE-2021-20621

high

8.8

CWE

352

28/1/2021

3/8/2024

CVE-2021-20621: CSRF

First published: Thu Jan 28 2021(Updated: )

Cross-site request forgery (CSRF) vulnerability in Aterm WG2600HP firmware Ver1.0.2 and earlier, and Aterm WG2600HP2 firmware Ver1.0.2 and earlier allows remote attackers to hijack the authentication of administrators via unspecified vectors.

Credit: vultures@jpcert.or.jp

Affected Software	Affected Version	How to fix
NEC Aterm WG2600HP firmware	<=1.0.2
NEC Aterm WG2600HP
NEC Aterm WG2600HP2 firmware	<=1.0.2
NEC Aterm WG2600HP2

Remedy

https://www.aterm.jp/support/tech/2019/0328.html

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-20621?
CVE-2021-20621 is classified as a high severity vulnerability due to its potential for remote exploitation via CSRF.
How do I fix CVE-2021-20621?
To fix CVE-2021-20621, you should update the Aterm WG2600HP or WG2600HP2 firmware to a version later than 1.0.2.
What types of attacks can exploit CVE-2021-20621?
CVE-2021-20621 can be exploited through cross-site request forgery attacks, allowing unauthorized actions to be performed by an authenticated user.
Which firmware versions are affected by CVE-2021-20621?
Firmware versions 1.0.2 and earlier of both Aterm WG2600HP and WG2600HP2 are affected by CVE-2021-20621.
Who is at risk of CVE-2021-20621?
Administrators of NEC Aterm WG2600HP and WG2600HP2 devices are at risk of CVE-2021-20621 if they are using the vulnerable firmware versions.

collector/mitre-cve
source/MITRE
agent/severity
agent/author
agent/remedy
agent/last-modified-date
agent/references
agent/weakness
agent/softwarecombine
agent/description
agent/type
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/aterm
canonical/nec aterm wg2600hp firmware
version/nec aterm wg2600hp firmware/1.0.2
canonical/nec aterm wg2600hp
canonical/nec aterm wg2600hp2 firmware
version/nec aterm wg2600hp2 firmware/1.0.2
canonical/nec aterm wg2600hp2

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.