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CVE-2020-5403
DoS Via Malformed URL with Reactor Netty HTTP Server
Medium6.5EPSS 1.2%
- Published
- Updated
- Reserved
- Assigned by
- pivotal
Description
Reactor Netty HttpServer, versions 0.9.3 and 0.9.4, is exposed to a URISyntaxException that causes the connection to be closed prematurely instead of producing a 400 response.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| pivotalCNA (assigner) | 3.0 | Medium6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 1.2% · top 33% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
- affected 0.9 v0.9.3.RELEASE
- affected 0.9 v0.9.4.RELEASE
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenio.projectreactor.netty:reactor-netty-httpGHSA-hp5x-rqf7-43vf (opens in a new tab)
References (1)
- https://pivotal.io/security/cve-2020-5403 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-hp5x-rqf7-43vf (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-5403)Record last updated .