Arbitrary File Upload Vulnerability in VMware vCenter Server Analytics Service
CVE-2021-22005

9.8CRITICAL

Key Information:

Vendor
Vmware
Vendor
CVE Published:
23 September 2021

Badges

💰 Ransomware👾 Exploit Exists🟡 Public PoC🟣 EPSS 94%🦅 CISA Reported

Summary

The vCenter Server is affected by a vulnerability in its Analytics service that allows for arbitrary file uploads. A malicious actor with network access to port 443 can exploit this flaw to upload specially crafted files. This action could enable the execution of unauthorized code on the server, potentially compromising its integrity and security. It is crucial for system administrators to apply the necessary patches or mitigate measures to safeguard their environments from such vulnerabilities.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited and is known by the CISA as enabling ransomware campaigns.

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

VMware vCenter Server, VMware Cloud Foundation VMware vCenter Server(7.x before 7.0 U2c and 6.7 before 6.7 U3o) and VMware Cloud Foundation (4.x before 4.3 and 3.x before 3.10.2.2)

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

EPSS Score

94% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 💰

    Used in Ransomware

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.