CVE-2021-20708: OS Command Injection
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/severity
- agent/references
- agent/weakness
- agent/author
- agent/tags
- agent/type
- agent/description
- agent/event
- agent/softwarecombine
- 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