What is CVE-2020-36979?

CVE-2020-36979 is a high-severity vulnerability in Atheros Coex Service Application, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-27.

How severe is CVE-2020-36979?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Atheros Coex Service Application

CVE-2020-36979

Atheros Coex Service Application 8.0.0.255 contains an unquoted service path vulnerability in its Windows service configuration. Attackers can exploit the unquoted path by placing malicious executables in the service path to gain elevated system privileges during service startup.

EPSS: 0.002 (6.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Atheros Coex Service Application — versions 8.0.0.255

Weakness classification (CWE)

CWE-428 — Unquoted Search Path or Element

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2020-36979?: CVE-2020-36979 is a high-severity vulnerability in Atheros Coex Service Application, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-01-27.
How severe is CVE-2020-36979?: High severity. CVSS v3 base score is 7.8 out of 10.