CVE-2021-38448
HIGHCVSS 7.6/10EPSS 0.27%
Last modified
CVE-2021-38448 is a high-severity vulnerability rated 7.6/10 on the CVSS scale. The affected controllers do not properly sanitize the input containing code syntax. As a result, an attacker could craft code to alter the intended controller flow of the software.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
The affected controllers do not properly sanitize the input containing code syntax. As a result, an attacker could craft code to alter the intended controller flow of the software.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Trane | Symbio 700 | < 1.00.0023 |
| Trane | Symbio 800 | < 1.30.0008 |
| Trane | Symbio 800 | < 1.10.0010 |
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-266-01Mitigation, Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-266-01Mitigation, Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-38448?
The affected controllers do not properly sanitize the input containing code syntax. As a result, an attacker could craft code to alter the intended controller flow of the software.
How severe is CVE-2021-38448?
CVE-2021-38448 has a CVSS score of 7.6/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2021-38448?
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-2021-38448?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST