CVE-2021-20643
HIGHCVSS 7.5/10EPSS 1.14%
Last modified
CVE-2021-20643 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Improper access control vulnerability in ELECOM LD-PS/U1 allows remote attackers to change the administrative password of the affected device by processing a specially crafted request.. EPSS estimates a 1.14% chance of exploitation in the next 30 days.
Description
Improper access control vulnerability in ELECOM LD-PS/U1 allows remote attackers to change the administrative password of the affected device by processing a specially crafted request.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Elecom | Ld-Ps\/U1 Firmware | All versions |
References
- https://jvn.jp/en/jp/JVN47580234/index.htmlThird Party Advisory
- https://www.elecom.co.jp/news/security/20210126-01/Vendor Advisory
- https://jvn.jp/en/jp/JVN47580234/index.htmlThird Party Advisory
- https://www.elecom.co.jp/news/security/20210126-01/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20643?
Improper access control vulnerability in ELECOM LD-PS/U1 allows remote attackers to change the administrative password of the affected device by processing a specially crafted request.
How severe is CVE-2021-20643?
CVE-2021-20643 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.14% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20643?
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.
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Are you affected by CVE-2021-20643?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST