Detections
Analytics

CVE-2021-29258

high

Description

An issue was discovered in Envoy 1.14.0. There is a remotely exploitable crash for HTTP2 Metadata, because an empty METADATA map triggers a Reachable Assertion.

References

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

https://github.com/envoyproxy/envoy/security/advisories/GHSA-rqvq-hxw5-776j

https://github.com/envoyproxy/envoy/releases/tag/v1.14.0

https://github.com/envoyproxy/envoy-setec/pull/230

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