CVE-2020-11050 | BDVDB-2026-135679 Detail

TooTallNateJava-WebSocket

Description#

In Java-WebSocket less than or equal to 1.4.1, there is an Improper Validation of Certificate with Host Mismatch where WebSocketClient does not perform SSL hostname validation. This has been patched in 1.5.0.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-297 Improper Validation of Certificate with Host Mismatch

References#

https://github.com/TooTallNate/Java-WebSocket/security/advisories/GHSA-gw55-jm4h-x339

Exploit#

No public exploit known

History#

Version 12020-05-07Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.

Published

Published: 2020-05-07
Last modified: 2024-08-04

Vendor information

Vendor: TooTallNate
Product: Java-WebSocket

All TooTallNate vulnerabilities

Score

9.0 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 56.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 1.4.1
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.0 Critical

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).