CVE-2021-22648
CRITICALCVSS 9.8/10EPSS 0.72%
Last modified
CVE-2021-22648 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Ovarro TBox proprietary Modbus file access functions allow attackers to read, alter, or delete the configuration file.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.
Description
Ovarro TBox proprietary Modbus file access functions allow attackers to read, alter, or delete the configuration file.
Metrics
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-2021-22648?
Ovarro TBox proprietary Modbus file access functions allow attackers to read, alter, or delete the configuration file.
How severe is CVE-2021-22648?
CVE-2021-22648 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.
How do I fix CVE-2021-22648?
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-2021-22648?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST