CVE-2021-29239
HIGHCVSS 7.8/10EPSS 0.18%
Last modified
CVE-2021-29239 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. CODESYS Development System 3 before 3.5.17.0 displays or executes malicious documents or files embedded in libraries without first checking their validity.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
CODESYS Development System 3 before 3.5.17.0 displays or executes malicious documents or files embedded in libraries without first checking their validity.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Codesys | Development System | >= 3.0, < 3.5.17.0 |
References
- https://customers.codesys.com/index.phpPermissions Required, Vendor Advisory
- https://www.codesys.com/security/security-reports.htmlVendor Advisory
- https://customers.codesys.com/index.phpPermissions Required, Vendor Advisory
- https://www.codesys.com/security/security-reports.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-29239?
CODESYS Development System 3 before 3.5.17.0 displays or executes malicious documents or files embedded in libraries without first checking their validity.
How severe is CVE-2021-29239?
CVE-2021-29239 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2021-29239?
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.
Are you affected by CVE-2021-29239?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST