Detections
Analytics

CVE-2021-28683

high

Description

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.

References

https://github.com/envoyproxy/envoy/security/advisories/GHSA-xw4q-6pj2-5gfg

https://github.com/envoyproxy/envoy/security/advisories/GHSA-r22g-5f3x-xjgg

https://github.com/envoyproxy/envoy/releases

https://blog.envoyproxy.io

Details

Source: Mitre, NVD

Published: 2021-05-20

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00116