CVE-2018-12541
6.5 · MEDIUMOverview
CVE-2018-12541 is a medium-severity vulnerability affecting eclipse vert.x. It was published on October 10, 2018 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
In version from 3.0.0 to 3.5.3 of Eclipse Vert.x, the WebSocket HTTP upgrade implementation buffers the full http request before doing the handshake, holding the entire request body in memory. There should be a reasonnable limit (8192 bytes) above which the WebSocket gets an HTTP response with the 413 status code and the connection gets closed.
Remediation
Check the references section for vendor advisories and patches from eclipse. Update vert.x to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| eclipse | vert.x | >= 3.0.0, < 3.5.4 | Affected |
References
Frequently Asked Questions
What is CVE-2018-12541?
CVE-2018-12541 is a medium-severity vulnerability affecting eclipse vert.x. It was published on October 10, 2018 and has a CVSS 3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2018-12541?
This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2018-12541?
Check the references section for vendor advisories and patches from eclipse. Update vert.x to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-12541?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-12541 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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