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Known exploited vulnerability

CVE-2023-20867

lowCVSS 3.1 3.9In CISA KEVEPSS 14%Published · VMware

The short answer

CVE-2023-20867 affects VMware VMware Tools and is rated low (CVSS 3.9). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-06-23: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

A fully compromised ESXi host can force VMware Tools to fail to authenticate host-to-guest operations, impacting the confidentiality and integrity of the guest virtual machine.

Weakness: CWE-287.

Severity

3.9 low

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

Exploited (CISA KEV)

Yes, since Jun 23, 2023

Federal due date Jul 14, 2023

EPSS, next 30 days

14%

Higher than 97% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
High
Privileges required
High
User interaction
None
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

What CISA says to do

Apply updates per vendor instructions.

Affected products

VMware Tools. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2023-20867 being exploited?

Yes. CISA added CVE-2023-20867 to its Known Exploited Vulnerabilities catalog on 2023-06-23, with a federal remediation due date of 2023-07-14.

How do I fix CVE-2023-20867?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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