Vulnerability · Published Apr 26, 2021 · Assigned by jpcert
CVE-2021-20709
High 7.2
In plain English
A high-severity security flaw in NEC Aterm devices from NEC Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Severity (CVSS NVD)7.2High
Exploit odds (30 days)0.7%top 48.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Improper validation of integrity check value vulnerability in 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 allows an attacker with an administrative privilege to execute arbitrary OS commands by sending a specially crafted request to a specific URL.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NEC Corporation | 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 |
References
- https://jpn.nec.com/security-info/secinfo/nv21-010.html x_refsource_MISC
- https://jvn.jp/en/jp/JVN29739718/index.html x_refsource_MISC