CVE-2023-34048

critical-risk
Published 2023-10-25

vCenter Server contains an out-of-bounds write vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bounds write potentially leading to remote code execution.

Do I need to act?

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93.2% chance of exploitation in next 30 days
EPSS score — higher than 7% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Vmware

References (4)

Vendor Advisory https://www.vmware.com/security/advisories/VMSA-2023-0023.html
Exploit https://www.vicarius.io/vsociety/posts/understanding-cve-2023-34048-a-zero-day-o...
Vendor Advisory https://www.vmware.com/security/advisories/VMSA-2023-0023.html
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-...
83
/ 100
critical-risk
Severity 32/34 · Critical
Exploitability 27/34 · High
Exposure 24/34 · High