7.8

CVE-2021-20037: sonicwall global_vpn_client Incorrect Default Permissions

CVSS: 7.8v3.1HighModified
Published 21-09-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20037 is a high (CVSS 7.8) Incorrect Default Permissions vulnerability in sonicwall global_vpn_client. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.4% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.42%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-09-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

SonicWall Global VPN Client 4.10.5 installer (32-bit and 64-bit) incorrect default file permission vulnerability leads to privilege escalation which potentially allows command execution in the host operating system. This vulnerability impacts GVC 4.10.5 installer and earlier.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.42%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

0.00 pp

From 0.42% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.42%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Sonicwall2 products

1 vendor · 2 products

References

1 links