CVE-2021-20711
CRITICALCVSS 9.8/10EPSS 1.36%
Last modified
CVE-2021-20711 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker to execute arbitrary OS commands via unspecified vectors.. EPSS estimates a 1.36% chance of exploitation in the next 30 days.
Description
Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker to execute arbitrary OS commands via unspecified vectors.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nec | Aterm Wg2600hs Firmware | <= 1.5.1 |
References
- https://jpn.nec.com/security-info/secinfo/nv21-010.htmlMitigation, Vendor Advisory
- https://jvn.jp/en/jp/JVN29739718/index.htmlThird Party Advisory
- https://jpn.nec.com/security-info/secinfo/nv21-010.htmlMitigation, Vendor Advisory
- https://jvn.jp/en/jp/JVN29739718/index.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20711?
Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker to execute arbitrary OS commands via unspecified vectors.
How severe is CVE-2021-20711?
CVE-2021-20711 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20711?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-20706Improper input validation vulnerability in the WebManager CL…7.5
- CVE-2021-20707Improper input validation vulnerability in the Transaction S…7.5
- CVE-2021-20708NEC Aterm devices (Aterm WF1200CR firmware Ver1.3.2 and earl…7.2
- CVE-2021-20709Improper validation of integrity check value vulnerability i…7.2
- CVE-2021-2071Vulnerability in the PeopleSoft Enterprise PeopleTools produ…8.1
- CVE-2021-20710Cross-site scripting vulnerability in Aterm WG2600HS firmwar…6.1
- CVE-2021-20712Improper access control vulnerability in NEC Aterm WG2600HS …5.3
- CVE-2021-20713Privilege escalation vulnerability in QND Advance/Premium/St…7.8
- CVE-2021-20714Directory traversal vulnerability in WP Fastest Cache versio…6.5
- CVE-2021-20715Improper access control vulnerability in Hot Pepper Gourmet …4.3
- CVE-2021-20716Hidden functionality in multiple Buffalo network devices (BH…9.8
- CVE-2021-20717Cross-site scripting vulnerability in EC-CUBE 4.0.0 to 4.0.5…6.1
Are you affected by CVE-2021-20711?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST