CVE-2020-5403

DoS Via Malformed URL with Reactor Netty HTTP Server

HIGH
7.5
CVSS Score
Published: March 3, 2020 at 06:25 PM UTC
Updated: September 4, 2026 at 06:59 PM UTC
1 product affected across 1 vendorReactor Netty

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
https://pivotal.io/security/cve-2020-5403

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20CWE-755

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