CVE-2021-33486
HIGHCVSS 7.5/10EPSS 0.96%
Last modified
CVE-2021-33486 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions.. EPSS estimates a 0.96% chance of exploitation in the next 30 days.
Description
All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Codesys | Runtime Toolkit | >= 3.5.8.0, < 3.5.17.10 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33486?
All versions of the CODESYS V3 Runtime Toolkit for VxWorks from version V3.5.8.0 and before version V3.5.17.10 have Improper Handling of Exceptional Conditions.
How severe is CVE-2021-33486?
CVE-2021-33486 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33486?
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-2021-3348nbd_add_socket in drivers/block/nbd.c in the Linux kernel th…7
- CVE-2021-33480An use-after-free vulnerability was discovered in gocr throu…5.5
- CVE-2021-33481A stack-based buffer overflow vulnerability was discovered i…7.8
- CVE-2021-33483An issue was discovered in CommentsService.ashx in OnyakTech…5.4
- CVE-2021-33484An issue was discovered in CommentsService.ashx in OnyakTech…7.5
- CVE-2021-33485CODESYS Control Runtime system before 3.5.17.10 has a Heap-b…9.8
- CVE-2021-33488chat in OX App Suite 7.10.5 has Improper Input Validation. A…6.1
- CVE-2021-33489OX App Suite through 7.10.5 allows XSS via JavaScript code i…6.1
- CVE-2021-3349GNOME Evolution through 3.38.3 produces a "Valid signature" …3.3
- CVE-2021-33490OX App Suite through 7.10.5 allows XSS via a crafted snippet…6.1
- CVE-2021-33491OX App Suite through 7.10.5 allows Directory Traversal via .…6.5
- CVE-2021-33492OX App Suite 7.10.5 allows XSS via an OX Chat room name.6.1
Are you affected by CVE-2021-33486?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST