CVE-2021-20708
7.2 · HIGHOverview
CVE-2021-20708 is a high-severity vulnerability affecting nec aterm_wf1200cr_firmware. It was published on April 26, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from nec. Update aterm_wf1200cr_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| nec | aterm_wf1200cr_firmware | 0 | Affected |
| nec | aterm_wg1200cr_firmware | 0 | Affected |
| nec | aterm_wg2600hs_firmware | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-20708?
CVE-2021-20708 is a high-severity vulnerability affecting nec aterm_wf1200cr_firmware. It was published on April 26, 2021 and has a CVSS 3.1 base score of 7.2 (HIGH).
How severe is CVE-2021-20708?
This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-20708?
Check the references section for vendor advisories and patches from nec. Update aterm_wf1200cr_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-20708?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-20708 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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