Threat Signal Report

Newly Patched VMware Vulnerability (CVE-2022-22954) Being Exploited in the Wild

description-logo Description

FortiGuard Labs is aware that VMware has confirmed a recently patched critical vulnerability in VMware Workspace ONE Access and Identity Manager (CVE-2022-22954) has been exploited in the wild. Also, a Proof-of-Concept (PoC) code has already been made available to the public. An attacker with network access can trigger a server-side template injection that may result in remote code execution.


Why is this Significant?
This is significant because of the critical remote code execution vulnerability affecting Workspace ONE Access and VMware Identity Manager (vIDM) that are widely used. Since VMware has acknowledged in-the-wild exploitation of CVE-2022-22954 and a POC is available to the public, attacks that leverage the vulnerability will likely increase.


What is CVE-2022-22954?
CVE-2022-22954 is a vulnerability in Workspace ONE Access and VMware Identity Manager (vIDM), which an attacker with network access can trigger a server-side template injection that may result in remote code execution. The vulnerability has the CVSSv3 base score of 9.8 and is rated critical.


Is the Vulnerability Exploited in the Wild?
VMware has confirmed that exploitation of CVE-2022-22954 has occurred in the wild.


Has the Vendor Released Security Advisories for CVE-2022-22954?

Yes, VMware released a security advisory for the vulnerability on April 6th, 2022. See the Appendix for a link to "VMSA-2022-0011".

The advisory was updated further on April 13th, 2022 for the confirmation of the in-the-wild exploitation.


Has the Vendor Released a Patch for CVE-2022-22954?

Yes, VMware released a patch on April 6th, 2022 as part of its security advisory. See the Appendix for a link to "VMSA-2022-0011".


What is the Status of Coverage?
FortiGuard Labs has released the following IPS signature for CVE-2022-22954 in version 20.297:

VMware.Workspace.ONE.Access.Catalog.Remote.Code.Execution (default action is set to pass)


What Mitigation Steps are Available?
VMware has released a KB article that includes the workaround. See the Appendix for a link to "HW-154129 - Workaround instructions to address CVE-2022-22954, CVE-2022-22955, CVE-2022-22956, CVE-2022-22957, CVE-2022-22958, CVE-2022-22959, CVE-2022-22960 in Workspace ONE Access Appliance (VMware Identity Manager) (88098)".

Telemetry


Definitions

Traffic Light Protocol

Color When Should it Be used? How may it be shared?

TLP: RED

Not for disclosure, restricted to participants only.
Sources may use TLP:RED when information cannot be effectively acted upon by additional parties, and could lead to impacts on a party's privacy, reputation, or operations if misused. Recipients may not share TLP:RED information with any parties outside of the specific exchange, meeting, or conversation in which it was originally disclosed. In the context of a meeting, for example, TLP:RED information is limited to those present at the meeting. In most circumstances, TLP:RED should be exchanged verbally or in person.

TLP: AMBER

Limited disclosure, restricted to participants’ organizations.
Sources may use TLP:AMBER when information requires support to be effectively acted upon, yet carries risks to privacy, reputation, or operations if shared outside of the organizations involved. Recipients may only share TLP:AMBER information with members of their own organization, and with clients or customers who need to know the information to protect themselves or prevent further harm. Sources are at liberty to specify additional intended limits of the sharing: these must be adhered to.

TLP: GREEN

Limited disclosure, restricted to the community.
Sources may use TLP:GREEN when information is useful for the awareness of all participating organizations as well as with peers within the broader community or sector. Recipients may share TLP:GREEN information with peers and partner organizations within their sector or community, but not via publicly accessible channels. Information in this category can be circulated widely within a particular community. TLP:GREEN information may not be released outside of the community.

TLP: WHITE

Disclosure is not limited.
Sources may use TLP:WHITE when information carries minimal or no foreseeable risk of misuse, in accordance with applicable rules and procedures for public release. Subject to standard copyright rules, TLP:WHITE information may be distributed without restriction.