What is CVE-2021-33897?

CVE-2021-33897 is a medium-severity vulnerability in Synthesiagame Synthesia, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2022-11-17.

How severe is CVE-2021-33897?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Synthesiagame Synthesia

CVE-2021-33897

A buffer overflow in Synthesia before 10.7.5567, when a non-Latin locale is used, allows user-assisted attackers to cause a denial of service (application crash) via a crafted MIDI file with malformed bytes. This file is mishandled during a deletion attempt. In Synthesia before 10.9, an improper path handling allows local attackers to cause a denial of service (application crash) via a crafted MIDI file with malformed bytes.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (14.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Synthesiagame Synthesia
N/a — versions n/a

Weakness classification (CWE)

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

References

cve@mitre.org (Third Party Advisory)
cve@mitre.org (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-33897?: CVE-2021-33897 is a medium-severity vulnerability in Synthesiagame Synthesia, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2022-11-17.
How severe is CVE-2021-33897?: Medium severity. CVSS v3 base score is 5.5 out of 10.