CVE-2021-22048
CVE-2021-22048 is a high-severity vulnerability in Vmware Cloud Foundation with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 10% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Vmware Cloud Foundation
- Published:
- Last modified:
Description
The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows Authentication) authentication mechanism. A malicious actor with non-administrative access to vCenter Server may exploit this issue to elevate privileges to a higher privileged group.
Frequently asked questions
- What is CVE-2021-22048?
- The vCenter Server contains a privilege escalation vulnerability in the IWA (Integrated Windows Authentication) authentication mechanism. A malicious actor with non-administrative access to vCenter Server may exploit this issue to elevate privileges to a higher privileged group.
- How severe is CVE-2021-22048?
- CVE-2021-22048 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-22048 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-22048?
- CVE-2021-22048 primarily affects Vmware Cloud Foundation. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-22048?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-22048 published?
- CVE-2021-22048 was published on 2021-11-10 and last updated on 2026-06-17.
References
- http://packetstormsecurity.com/files/167733/VMware-Security-Advisory-2022-0025.2.html
- http://packetstormsecurity.com/files/167795/VMware-Security-Advisory-2021-0025.3.html
- https://www.vmware.com/security/advisories/VMSA-2021-0025.html
Affected products (4)
- cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*
- cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*
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