CVE-2021-28683

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Source
https://cve.org/CVERecord?id=CVE-2021-28683
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28683.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-28683
Aliases
Downstream
Related
  • GHSA-r22g-5f3x-xjgg
  • GHSA-xw4q-6pj2-5gfg
Published
2021-05-20T17:15:07.713Z
Modified
2026-07-09T00:13:44.069799Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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

Affected packages

Git / github.com/envoyproxy/envoy

Affected ranges

Type
GIT
Repo
https://github.com/envoyproxy/envoy
Events
Introduced
e98e41a8e168af7acae8079fc0cd68155f699aa3
Last affected
d6a4496e712d7a2335b26e2f76210d5904002c26
Database specific 
{
    "cpe": [
        "cpe:2.3:a:envoyproxy:envoy:1.16.2:*:*:*:*:*:*:*",
        "cpe:2.3:a:envoyproxy:envoy:1.17.1:*:*:*:*:*:*:*"
    ],
    "source": "CPE_STRING",
    "extracted_events": [
        {
            "introduced": "1.16.2"
        },
        {
            "last_affected": "1.16.2"
        },
        {
            "introduced": "1.17.1"
        },
        {
            "last_affected": "1.17.1"
        }
    ]
}

Affected versions

1.*
1.16.2
1.17.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-28683.json"