Vulnerability in Java-Websocket Project
CVE-2020-11050
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (56.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Java-Websocket Project
- Tootallnate Java-Websocket — versions <= 1.4.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/TooTallNate/Java-WebSocket/security/advisories/GHSA-gw55-jm4h-x339 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-11050?
- CVE-2020-11050 is a critical-severity vulnerability in Java-Websocket Project, classified under Improper Validation of Certificate with Host Mismatch. CVSS score: 9.0/10. Published 2020-05-07.
- How severe is CVE-2020-11050?
- Critical severity. CVSS v3 base score is 9.0 out of 10.
- Is CVE-2020-11050 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.