What is CVE-2020-27486?

CVE-2020-27486 is a critical-severity vulnerability in Garmin Forerunner_235, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.9/10. Published 2020-11-16.

How severe is CVE-2020-27486?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Buffer overflow in Garmin Forerunner_235

CVE-2020-27486

Garmin Forerunner 235 before 8.20 is affected by: Buffer Overflow. The component is: ConnectIQ TVM. The attack vector is: To exploit the vulnerability, the attacker must upload a malicious ConnectIQ application to the ConnectIQ store. The…

Vulnerability class: Buffer Overflow

EPSS: 0.019 (76.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-27486?: CVE-2020-27486 is a critical-severity vulnerability in Garmin Forerunner_235, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.9/10. Published 2020-11-16.
How severe is CVE-2020-27486?: Critical severity. CVSS v3 base score is 9.9 out of 10.