Skip to content
Fencer Vulns
high 7.8

CVE-2021-22000 json

VMware Thinapp version 5.x prior to 5.2.10 contain a DLL hijacking vulnerability due to insecure loading of DLLs.

published 2021-07-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9170

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

VMware Thinapp version 5.x prior to 5.2.10 contain a DLL hijacking vulnerability due to insecure loading of DLLs. A malicious actor with non-administrative privileges may exploit this vulnerability to elevate privileges to administrator level on the Windows operating system having VMware ThinApp installed on it.

Patch / fix

  • vmware thinapp 5.2.10

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • seclists.org http://seclists.org/fulldisclosure/2021/Jul/35 referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/163521/VMware-ThinApp-DLL-Hijacking.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • n/a Vmware Thinapp

Classification

Weakness
  • CWE-427 Uncontrolled Search Path Element

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.