CVE-2021-22640
CRITICALCVSS 9.8/10EPSS 0.66%
Last modified
CVE-2021-22640 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An attacker can decrypt the Ovarro TBox login password by communication capture and brute force attacks.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.
Description
An attacker can decrypt the Ovarro TBox login password by communication capture and brute force attacks.
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 |
|---|---|---|
| Ovarro | Twinsoft | < 12.4 |
| Ovarro | Tbox Lt2-530 Firmware | < 1.46 |
| Ovarro | Tbox Lt2-532 Firmware | < 1.46 |
| Ovarro | Tbox Lt2-540 Firmware | < 1.46 |
| Ovarro | Tbox Ms-Cpu32 Firmware | < 1.46 |
| Ovarro | Tbox Ms-Cpu32-S2 Firmware | < 1.46 |
| Ovarro | Tbox Rm2 Firmware | < 1.46 |
| Ovarro | Tbox Tg2 Firmware | < 1.46 |
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-054-04Third Party Advisory, US Government Resource
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-054-04Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-22640?
An attacker can decrypt the Ovarro TBox login password by communication capture and brute force attacks.
How severe is CVE-2021-22640?
CVE-2021-22640 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22640?
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-2021-22640?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST