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CVE-2023-20894

CRITICALCVSS 9.8/10EPSS 33.95%

Last modified

CVE-2023-20894 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The VMware 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-bound write by sending a specially crafted packet leading to memory corruption.. EPSS estimates a 33.95% chance of exploitation in the next 30 days.

Description

The VMware 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-bound write by sending a specially crafted packet leading to memory corruption.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
33.95%

98.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
VmwareVcenter Server< 7.0
VmwareVcenter Server7.0
VmwareVcenter Server8.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-20894?
The VMware 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-bound write by sending a specially crafted packet leading to memory corruption.
How severe is CVE-2023-20894?
CVE-2023-20894 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 33.95% probability of exploitation in the next 30 days.
How do I fix CVE-2023-20894?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-20894?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST