CVE-2021-38441
CRITICALCVSS 9.8/10EPSS 2.00%
Last modified
CVE-2021-38441 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Eclipse CycloneDDS versions prior to 0.8.0 are vulnerable to a write-what-where condition, which may allow an attacker to write arbitrary values in the XML parser.. EPSS estimates a 2.00% chance of exploitation in the next 30 days.
Description
Eclipse CycloneDDS versions prior to 0.8.0 are vulnerable to a write-what-where condition, which may allow an attacker to write arbitrary values in the XML parser.
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 |
|---|---|---|
| Eclipse | Cyclonedds | < 0.8.0 |
References
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02Third Party Advisory, US Government Resource
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-38441?
Eclipse CycloneDDS versions prior to 0.8.0 are vulnerable to a write-what-where condition, which may allow an attacker to write arbitrary values in the XML parser.
How severe is CVE-2021-38441?
CVE-2021-38441 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.00% probability of exploitation in the next 30 days.
How do I fix CVE-2021-38441?
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-2021-38435RTI Connext DDS Professional and Connext DDS Secure Versions…9.8
- CVE-2021-38436FATEK Automation WinProladder versions 3.30 and prior lacks …7.8
- CVE-2021-38438A use after free vulnerability in FATEK Automation WinProlad…7.8
- CVE-2021-38439All versions of GurumDDS are vulnerable to heap-based buffer…9.8
- CVE-2021-3844Rapid7 InsightVM suffers from insufficient session expiratio…5.4
- CVE-2021-38440FATEK Automation WinProladder versions 3.30 and prior is vul…3.3
- CVE-2021-38442FATEK Automation WinProladder versions 3.30 and prior lacks …7.8
- CVE-2021-38443Eclipse CycloneDDS versions prior to 0.8.0 improperly handle…9.8
- CVE-2021-38445OCI OpenDDS versions prior to 3.18.1 do not handle a length …9.8
- CVE-2021-38447OCI OpenDDS versions prior to 3.18.1 are vulnerable when an …7.5
- CVE-2021-38448The affected controllers do not properly sanitize the input …7.6
- CVE-2021-38449Some API functions permit by-design writing or copying data …9.8
Are you affected by CVE-2021-38441?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST