ByteOS Network

NVD Vulnerability Details :

CVE-2021-38111

Modified

Source-cve@mitre.org

Published At-04 Aug, 2021 | 18:15

Updated At-05 May, 2025 | 17:17

The DEF CON 27 badge allows remote attackers to exploit a buffer overflow by sending an oversized packet via the NFMI (Near Field Magnetic Induction) protocol.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	8.8	HIGH	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Secondary	3.1	8.8	HIGH	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary	2.0	5.8	MEDIUM	AV:A/AC:L/Au:N/C:P/I:P/A:P

CPE Matches

defcon>>def_con_27_firmware>>-

cpe:2.3:o:defcon:def_con_27_firmware:-:*:*:*:*:*:*:*

defcon>>def_con_27>>-

cpe:2.3:h:defcon:def_con_27:-:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-120	Primary	nvd@nist.gov
CWE-120	Secondary	134c704f-9b21-4f2e-91b3-4a467353bcc0

References

Hyperlink	Source	Resource
https://defcon.org/html/defcon-29/dc-29-speakers.html#kintigh	cve@mitre.org	Exploit Third Party Advisory
https://github.com/skintigh/defcon27_badge_sdr	cve@mitre.org	N/A
https://defcon.org/html/defcon-29/dc-29-speakers.html#kintigh	af854a3a-2127-422b-91ae-364da2661108	Exploit Third Party Advisory
https://github.com/skintigh/defcon27_badge_sdr	af854a3a-2127-422b-91ae-364da2661108	N/A

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History