How severe is CVE-2021-42713?

CVE-2021-42713 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-42713 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42713?

CVE-2021-42713 affects Splashtop. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-42713?

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-2021-42713 published?

CVE-2021-42713 was published on 2022-02-15 and last updated on 2026-06-17.

CVE-2021-42713

CVE-2021-42713 is a high-severity vulnerability in Splashtop with a CVSS 3.x base score of 7.8. 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-668.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Splashtop
Published: 2022-02-15
Last modified: 2026-06-17

Description

Splashtop Remote Client (Personal Edition) through 3.4.6.1 creates a Temporary File in a Directory with Insecure Permissions.

Frequently asked questions

What is CVE-2021-42713?: Splashtop Remote Client (Personal Edition) through 3.4.6.1 creates a Temporary File in a Directory with Insecure Permissions.
How severe is CVE-2021-42713?: CVE-2021-42713 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-42713 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42713?: CVE-2021-42713 affects Splashtop. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-42713?: 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-2021-42713 published?: CVE-2021-42713 was published on 2022-02-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:splashtop:splashtop:*:*:*:*:personal:*:*:*

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