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
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-2021-22648?
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.
Related CVEs from 2021
- CVE-2021-22642An attacker could use specially crafted invalid Modbus frame…7.5
- CVE-2021-22643Luxion KeyShot versions prior to 10.1, Luxion KeyShot Viewer…7.8
- CVE-2021-22644Ovarro TBox TWinSoft uses the custom hardcoded user “TWinSof…9.8
- CVE-2021-22645Luxion KeyShot versions prior to 10.1, Luxion KeyShot Viewer…7.8
- CVE-2021-22646The “ipk” package containing the configuration created by TW…9.8
- CVE-2021-22647Luxion KeyShot versions prior to 10.1, Luxion KeyShot Viewer…7.8
- CVE-2021-22649Luxion KeyShot versions prior to 10.1, Luxion KeyShot Viewer…7.8
- CVE-2021-22650An attacker may use TWinSoft and a malicious source project …9.8
- CVE-2021-22651When loading a specially crafted file, Luxion KeyShot versio…7.8
- CVE-2021-22652Access to the Advantech iView versions prior to v5.7.03.6112…9.8
- CVE-2021-22653Multiple out-of-bounds write issues have been identified in …7.8
- CVE-2021-22654Advantech iView versions prior to v5.7.03.6112 are vulnerabl…7.5
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