CVE-2023-34048

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.

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

99.43% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2024-01-22

Nuclei

critical · CWE-787

Published

2023-10-25

Updated

2025-10-21

Proof-of-concept exploits (1)

• https://www.vicarius.io/vsociety/posts/understanding-cve-2023-34048-a-zero-day-out-of-bou…

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-34048.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2023-34040
• CVE-2023-34050
• CVE-2023-34039
• CVE-2023-34051
• CVE-2023-34035
• CVE-2023-34092