CVE-2021-20047: sonicwall global_vpn_client Uncontrolled Search Path Element
CVSS: 7.8v3.1HighModified
Published 08-12-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-20047 is a high (CVSS 7.8) Uncontrolled Search Path Element vulnerability in sonicwall global_vpn_client. EPSS estimates a 0.88% chance of exploitation in the next 30 days, higher than 58.3% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.88%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-12-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
SonicWall Global VPN client version 4.10.6 (32-bit and 64-bit) and earlier have a DLL Search Order Hijacking vulnerability. Successful exploitation via a local attacker could result in remote code execution in the target system.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.9Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.88%
Chance of exploitation in the next 30 days
Percentile
58%
Versus all other CVEs
30-day change
+0.03 pp
From 0.85% on 18-09-2026
18-09-202618-10-2026
EPSS score0.88%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Sonicwall2 products
- global_vpn_client≤ 4.10.6
- sonicwall global vpn clientGlobal VPN Client 4.10.6 and earlier
1 vendor · 2 products