How severe is CVE-2023-20877?

CVE-2023-20877 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-2023-20877 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20877?

CVE-2023-20877 primarily affects Vmware Cloud Foundation. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20877?

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-2023-20877 published?

CVE-2023-20877 was published on 2023-05-12 and last updated on 2026-06-17.

CVE-2023-20877

CVE-2023-20877 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. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Vmware Cloud Foundation
Published: 2023-05-12
Last modified: 2026-06-17

Description

VMware Aria Operations contains a privilege escalation vulnerability. An authenticated malicious user with ReadOnly privileges can perform code execution leading to privilege escalation.

Frequently asked questions

What is CVE-2023-20877?: VMware Aria Operations contains a privilege escalation vulnerability. An authenticated malicious user with ReadOnly privileges can perform code execution leading to privilege escalation.
How severe is CVE-2023-20877?: CVE-2023-20877 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-2023-20877 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20877?: CVE-2023-20877 primarily affects Vmware Cloud Foundation. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20877?: 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-2023-20877 published?: CVE-2023-20877 was published on 2023-05-12 and last updated on 2026-06-17.

References

https://www.vmware.com/security/advisories/VMSA-2023-0009.html

Affected products (12)

cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_operations:8.6.0:-:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_operations:8.6.0:hotfix1:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_operations:8.6.0:hotfix2:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_operations:8.6.0:hotfix4:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_operations:8.6.0:hotfix5:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_operations:8.6.0:hotfix6:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_operations:8.6.0:hotfix8:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_operations:8.6.0:hotfix9:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_operations:8.10.0:-:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_operations:8.10.0:hotfix1:*:*:*:*:*:*
cpe:2.3:a:vmware:vrealize_operations:8.10.0:hotfix2:*:*:*:*:*:*

More vulnerabilities in Vmware Cloud Foundation

CVE-2023-34063 — Critical (CVSS 9.9): Aria Automation contains a Missing Access Control vulnerability. An authenticated malicious actor may exploit this…
CVE-2024-38812 — Critical (CVSS 9.8): The vCenter Server contains a heap-overflow vulnerability in the implementation of the DCERPC protocol. A malicious…
CVE-2024-37079 — Critical (CVSS 9.8): vCenter Server contains a heap-overflow vulnerability in the implementation of the DCERPC protocol. A malicious actor…
CVE-2023-20864 — Critical (CVSS 9.8): VMware Aria Operations for Logs contains a deserialization vulnerability. An unauthenticated, malicious actor with…
CVE-2022-22972 — Critical (CVSS 9.8): VMware Workspace ONE Access, Identity Manager and vRealize Automation contain an authentication bypass vulnerability…
CVE-2022-22954 — Critical (CVSS 9.8): VMware Workspace ONE Access and Identity Manager contain a remote code execution vulnerability due to server-side…

All CVEs affecting Vmware Cloud Foundation →

Other CWE-863 (Incorrect Authorization) vulnerabilities

CVE-2026-48286 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9396 and earlier are affected by an Incorrect Authorization…
CVE-2026-48303 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by an Incorrect Authorization…
CVE-2026-44330 — Critical (CVSS 10.0): free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the…
CVE-2026-46595 — Critical (CVSS 10.0): Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of…
CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-863 (Incorrect Authorization) vulnerabilities →