How severe is CVE-2021-34170?

CVE-2021-34170 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-34170 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34170?

CVE-2021-34170 affects Fromsoftware Dark Souls Iii. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34170?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-34170 published?

CVE-2021-34170 was published on 2021-06-15 and last updated on 2026-06-17.

CVE-2021-34170

CVE-2021-34170 is a critical-severity vulnerability in Fromsoftware Dark Souls Iii with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Fromsoftware Dark Souls Iii
Published: 2021-06-15
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2021-34170?: Bandai Namco FromSoftware Dark Souls III allows remote attackers to execute arbitrary code.
How severe is CVE-2021-34170?: CVE-2021-34170 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-34170 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34170?: CVE-2021-34170 affects Fromsoftware Dark Souls Iii. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34170?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-34170 published?: CVE-2021-34170 was published on 2021-06-15 and last updated on 2026-06-17.

References

https://www.reddit.com/r/darksouls3/comments/n1235k/potential_pc_security_exploit_spreading/

Affected products (1)

cpe:2.3:a:fromsoftware:dark_souls_iii:-:*:*:*:*:*:*:*

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