Skip to main content

Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')

CVE-2023-2974

Severity High
Score 8.1/10

Summary

A vulnerability was found in quarkus. This vulnerability occurs because the TLS protocol configured with "quarkus.http.ssl.protocols" is not enforced, and the client can force the selection of the weaker supported TLS protocol. This vulnerability affects "io.quarkus:quarkus-grpc" and "io.quarkus:quarkus-vertx-http" packages versions through 2.16.7.Final and 3.0.0.Alpha1 through 3.2.0.Final.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • LOW
  • HIGH
  • NONE

CWE-757 - Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')

A protocol or its implementation supports interaction between multiple actors and allows those actors to negotiate which algorithm should be used as a protection mechanism such as encryption or authentication, but it does not select the strongest algorithm that is available to both parties.

Advisory Timeline

  • Published