What is CVE-2015-8620?

CVE-2015-8620 is a high-severity vulnerability in Avast Free Antivirus, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-04-13.

How severe is CVE-2015-8620?

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

Buffer overflow in Avast Free Antivirus

CVE-2015-8620

Heap-based buffer overflow in the Avast virtualization driver (aswSnx.sys) in Avast Internet Security, Pro Antivirus, Premier, and Free Antivirus before 11.1.2253 allows local users to gain privileges via a Unicode file path in an IOCTL request.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (40.1th 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

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (mailing-list, Exploit, x_refsource_FULLDISC, Mailing List, Third Party Advisory)
cve@mitre.org (Exploit, x_refsource_MISC)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)

Frequently asked questions

What is CVE-2015-8620?: CVE-2015-8620 is a high-severity vulnerability in Avast Free Antivirus, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2016-04-13.
How severe is CVE-2015-8620?: High severity. CVSS v3 base score is 7.8 out of 10.