What is the severity of CVE-2021-20708?

The severity of CVE-2021-20708 is critical, with a severity value of 7.2.

How can authenticated attackers exploit CVE-2021-20708?

Authenticated attackers can exploit CVE-2021-20708 by sending a specially crafted request to a specific URL.

How can I fix CVE-2021-20708?

To fix CVE-2021-20708, NEC Aterm device users should apply the latest firmware updates provided by NEC.

Where can I find more information about CVE-2021-20708?

More information about CVE-2021-20708 can be found at the following references: [link1], [link2].

Vulnerability/
CVE-2021-20708

critical

CWE

78 77

26/4/2021

3/8/2024

CVE-2021-20708: OS Command Injection

Q: Which NEC Aterm devices are affected by CVE-2021-20708?

NEC 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 are affected by CVE-2021-20708.

First published: Mon Apr 26 2021(Updated: )

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.

Credit: vultures@jpcert.or.jp

Affected Software	Affected Version	How to fix
NEC Aterm WF1200CR firmware	<=1.3.2
NEC Aterm WF1200CR
Nec Aterm Wg1200cr Firmware	<=1.3.3
Nec Aterm Wg1200cr
NEC Aterm WG2600HS firmware	<=1.5.1
NEC Aterm WG2600HS

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-20708?
The severity of CVE-2021-20708 is critical, with a severity value of 7.2.
Which NEC Aterm devices are affected by CVE-2021-20708?
NEC 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 are affected by CVE-2021-20708.
How can authenticated attackers exploit CVE-2021-20708?
Authenticated attackers can exploit CVE-2021-20708 by sending a specially crafted request to a specific URL.
How can I fix CVE-2021-20708?
To fix CVE-2021-20708, NEC Aterm device users should apply the latest firmware updates provided by NEC.
Where can I find more information about CVE-2021-20708?
More information about CVE-2021-20708 can be found at the following references: [link1], [link2].

collector/nvd-index
agent/references
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/severity
agent/last-modified-date
agent/weakness
agent/author
agent/description
agent/tags
agent/first-publish-date
agent/event
vendor/nec
canonical/nec aterm wf1200cr firmware
version/nec aterm wf1200cr firmware/1.3.2
canonical/nec aterm wf1200cr
canonical/nec aterm wg1200cr firmware
version/nec aterm wg1200cr firmware/1.3.3
canonical/nec aterm wg1200cr
canonical/nec aterm wg2600hs firmware
version/nec aterm wg2600hs firmware/1.5.1
canonical/nec aterm wg2600hs

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