CVE-2021-28683

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/20/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

envoyproxy:envoy

Weaknesses (CWE)

CWE-476

References

https://blog.envoyproxy.io(cve@mitre.org)

https://github.com/envoyproxy/envoy/releases(cve@mitre.org)

https://github.com/envoyproxy/envoy/security/advisories/GHSA-r22g-5f3x-xjgg(cve@mitre.org)

https://github.com/envoyproxy/envoy/security/advisories/GHSA-xw4q-6pj2-5gfg(nvd@nist.gov)

https://blog.envoyproxy.io(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/envoyproxy/envoy/releases(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/envoyproxy/envoy/security/advisories/GHSA-r22g-5f3x-xjgg(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.