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01 Record

CVE-2020-11050

Improper Validation of Certificate with Host Mismatch in Java-WebSocket

CriticalPUBLISHEDCNA: GitHub_M
CNA base score9.0 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

02 Description

Improper Validation of Certificate with Host Mismatch in Java-WebSocket

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.79% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 55.8% of scored records. A rank, not a probability.
NVD base score
8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-05-07 20:15Z6 YR AGO
Last updated
2024-08-04 11:21Z2 YR AGO
Reserved
2020-03-30
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Critical (CVSS 9.0)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses
  • CWE-297Improper Validation of Certificate with Host MismatchVariant
  • CWE-295Improper Certificate ValidationBase
Data version
5.1
Document digest
31cd2bf90fd3682a2cee0dff18b7585805eabea74a9eb35a55ed0071ffd7e32d

05 Affected products

VendorProductVersionsPlatforms
TooTallNateJava-WebSocket<= 1.4.1—

06 References