How severe is CVE-2021-3845?

CVE-2021-3845 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-3845 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3845?

CVE-2021-3845 affects Ws Scrcpy Project Ws Scrcpy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3845?

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

When was CVE-2021-3845 published?

CVE-2021-3845 was published on 2022-01-04 and last updated on 2026-06-17.

CVE-2021-3845

CVE-2021-3845 is a high-severity vulnerability in Ws Scrcpy Project Ws Scrcpy with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-73.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-73
Affected product: Ws Scrcpy Project Ws Scrcpy
Published: 2022-01-04
Last modified: 2026-06-17

Description

ws-scrcpy is vulnerable to External Control of File Name or Path

Frequently asked questions

What is CVE-2021-3845?: ws-scrcpy is vulnerable to External Control of File Name or Path
How severe is CVE-2021-3845?: CVE-2021-3845 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-3845 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3845?: CVE-2021-3845 affects Ws Scrcpy Project Ws Scrcpy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3845?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-3845 published?: CVE-2021-3845 was published on 2022-01-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ws_scrcpy_project:ws_scrcpy:*:*:*:*:*:*:*:*

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