What is CVE-2021-34170?

CVE-2021-34170 is a critical-severity vulnerability in Fromsoftware Dark Souls Iii. CVSS score: 9.8/10. Published 2021-06-15.

How severe is CVE-2021-34170?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Fromsoftware Dark Souls Iii

CVE-2021-34170

Bandai Namco FromSoftware Dark Souls III allows remote attackers to execute arbitrary code.

Published 2021-06-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.028 (86.1th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.032 · newest: 0.028 · change: -0.003

Affected products

Fromsoftware Dark Souls Iii

References

www.reddit.com/r/darksouls3/comments/n1235k/potential_pc_security_exploit_sprea… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-34170?: CVE-2021-34170 is a critical-severity vulnerability in Fromsoftware Dark Souls Iii. CVSS score: 9.8/10. Published 2021-06-15.
How severe is CVE-2021-34170?: Critical severity. CVSS v3 base score is 9.8 out of 10.