Vulnerability Database

296,746

Total vulnerabilities in the database

CVE-2021-28683

An issue was discovered in Envoy through 1.71.1. There is a remotely exploitable NULL pointer dereference and crash in TLS when an unknown TLS alert code is received.

  • Published: May 20, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-28683
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
envoyproxy / envoy 1.17.1 1.17.1.x
envoyproxy / envoy 1.16.2 1.16.2.x