What is CVE-2021-42713?

CVE-2021-42713 is a high-severity vulnerability in Microsoft Windows, classified under Exposure of Resource to Wrong Sphere. CVSS score: 7.8/10. Published 2022-02-15.

How severe is CVE-2021-42713?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2021-42713 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Windows

CVE-2021-42713

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

EPSS: 0.003 (22.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Microsoft Windows
Splashtop
N/a — versions n/a

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2021-42713?: CVE-2021-42713 is a high-severity vulnerability in Microsoft Windows, classified under Exposure of Resource to Wrong Sphere. CVSS score: 7.8/10. Published 2022-02-15.
How severe is CVE-2021-42713?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-42713 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.