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Protection Mechanism Failure

CVE-2023-5876

Medium
5.3/10

Summary

Mattermost fails to properly validate a RegExp built off the server URL path, allowing an attacker in control of an enrolled server to mount a Denial Of Service. This issue affects versions 5.4.0-nightly.20230406 through 5.5.0.

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

CWE-693 - Protection Mechanism Failure

The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.

References

Advisory Timeline

  • Published