Vulnerability · Published May 7, 2020 · Assigned by GitHub_M
CVE-2020-11050Improper Validation of Certificate with Host Mismatch in Java-WebSocket
Critical 9.0
In plain English
A critical-severity security flaw in Java-WebSocket from TooTallNate. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.0Critical
Exploit odds (30 days)0.8%top 43.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.java-websocket:Java-WebSocket | 1.5.0 | GHSA-gw55-jm4h-x339 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TooTallNate | Java-WebSocket | <= 1.4.1 |
Weakness: CWE-297 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H