Vulnerability · Published Mar 3, 2020 · Assigned by pivotal
CVE-2020-5403DoS Via Malformed URL with Reactor Netty HTTP Server
Medium 6.5
In plain English
A medium-severity improper input validation in Reactor Netty from Pivotal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)6.5Medium
Exploit odds (30 days)1.2%top 32.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | io.projectreactor.netty:reactor-netty-http | 0.9.5 | GHSA-hp5x-rqf7-43vf |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Pivotal | Reactor Netty | 0.9 v0.9.3.RELEASE0.9 v0.9.4.RELEASE |
Weakness: CWE-20 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
- https://pivotal.io/security/cve-2020-5403 x_refsource_CONFIRM