CVE-2023-20867

Known Exploited
VMware Tools Authentication Bypass Vulnerability

Description

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.

Category

3.9
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.51%
KEV Since 
Vendor Advisory vmware.com
Affected: VMware VMware Tools
Published at:
Updated at:

References

Link Tags
https://www.vmware.com/security/advisories/VMSA-2023-0013.html patch vendor advisory
https://security.netapp.com/advisory/ntap-20230725-0001/ third party advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00020.html third party advisory mailing list
https://www.debian.org/security/2023/dsa-5493 third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/ release notes mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/ release notes mailing list
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/ release notes mailing list
http://www.openwall.com/lists/oss-security/2023/10/16/2 patch mailing list
http://www.openwall.com/lists/oss-security/2023/10/16/11 patch mailing list

Frequently Asked Questions

What is the severity of CVE-2023-20867?
CVE-2023-20867 has been scored as a low severity vulnerability.
How to fix CVE-2023-20867?
To fix CVE-2023-20867, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-20867 being actively exploited in the wild?
It is confirmed that CVE-2023-20867 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-20867?
CVE-2023-20867 affects VMware VMware Tools.
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