Vulnerability Name:

CVE-2021-22000 (CCN-205284)

Assigned:2021-07-13
Published:2021-07-13
Updated:2022-06-28
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.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.8 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L)
5.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): Low
CVSS v2 Severity:6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
6.4 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Partial
Vulnerability Type:CWE-427
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-22000

Source: MISC
Type: Exploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/163521/VMware-ThinApp-DLL-Hijacking.html

Source: FULLDISC
Type: Exploit, Mailing List, Technical Description, Third Party Advisory
20210716 VMware ThinApp DLL hijacking vulnerability

Source: XF
Type: UNKNOWN
vmware-thinapp-cve202122000-priv-esc(205284)

Source: CCN
Type: Packet Storm Security [07-16-2021]
VMware ThinApp DLL Hijacking

Source: CCN
Type: VMware Security Advisory VMSA-2021-0015
VMware ThinApp update addresses a DLL hijacking vulnerability (CVE-2021-22000)

Source: MISC
Type: Patch, Vendor Advisory
https://www.vmware.com/security/advisories/VMSA-2021-0015.html

Vulnerable Configuration:Configuration 1:
  • cpe:/a:vmware:thinapp:*:*:*:*:*:*:*:* (Version >= 5.2 and < 5.2.10)

    • * Denotes that component is vulnerable
    BACK
    vmware thinapp *