VulnerabilityModified
CVE-2021-38111
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.
HIGH 8.8EPSS 1.33%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.33% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- defcon/def con 27 firmware
- Source
- cve@mitre.org
References
- https://defcon.org/html/defcon-29/dc-29-speakers.html#kintighExploit, Third Party Advisory
- https://github.com/skintigh/defcon27_badge_sdr
- https://defcon.org/html/defcon-29/dc-29-speakers.html#kintighExploit, Third Party Advisory
- https://github.com/skintigh/defcon27_badge_sdr
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.