Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-3642


A flaw was found in Wildfly Elytron in versions prior to 1.10.14.Final, prior to 1.15.5.Final and prior to 1.16.1.Final where ScramServer may be susceptible to Timing Attack if enabled. The highest threat of this vulnerability is confidentiality.


Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.3, indicating it can be exploited remotely over the network but requires specific conditions to be met without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), for affected systems. Impacting 13 products from redhat, from redhat, from redhat and 10 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2021, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2021-08-05T21:15:13.183

Last Modified

2024-11-21T06:22:03.467

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

6.8

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-203
  • Type: Secondary
    CWE-203

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application redhat wildfly_elytron < 1.10.14 Yes
Application redhat wildfly_elytron < 1.15.5 Yes
Application redhat wildfly_elytron < 1.16.1 Yes
Application redhat build_of_quarkus - Yes
Application redhat codeready_studio 12.0 Yes
Application redhat data_grid 8.0 Yes
Application redhat descision_manager 7.0 Yes
Application redhat integration_camel_k - Yes
Application redhat integration_camel_quarkus * Yes
Application redhat jboss_enterprise_application_platform 7.0.0 Yes
Application redhat jboss_enterprise_application_platform_expansion_pack - Yes
Application redhat jboss_fuse 7.0.0 Yes
Application redhat openshift_application_runtimes - Yes
Application redhat process_automation 7.0 Yes
Application quarkus quarkus ≤ 2.1.4 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For redhat's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.