CVE-2023-20867 KEV
3.9
LOW · CVSS 3.1 · EPSS 13.5% (pctl 96)
Patch first
On CISA KEV — known exploited in the wild, due 2023-07-14.
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.
Scoring
| CVSS | 3.9 (LOW, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N |
| EPSS | 13.53% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-287 |
| On CISA KEV | yes — remediate by 2023-07-14 |
| Public exploit | none known |
| Published | 2023-06-13 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | VMware Tools Authentication Bypass Vulnerability |
|---|---|
| Added | 2023-06-23 |
| Due | 2023-07-14 |
| Vendor / product | VMware / Tools |
| Ransomware use | none reported |
Affected (3)
| Vendor | Product |
|---|---|
| debian | debian linux |
| fedoraproject | fedora |
| vmware | tools |
References
- http://www.openwall.com/lists/oss-security/2023/10/16/11
- http://www.openwall.com/lists/oss-security/2023/10/16/2
- https://lists.debian.org/debian-lts-announce/2023/08/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/
- https://security.netapp.com/advisory/ntap-20230725-0001/
- https://www.debian.org/security/2023/dsa-5493
- https://www.vmware.com/security/advisories/VMSA-2023-0013.html
- http://www.openwall.com/lists/oss-security/2023/10/16/11
- http://www.openwall.com/lists/oss-security/2023/10/16/2
- https://lists.debian.org/debian-lts-announce/2023/08/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZJM6HDRQYS74JA7YNKQBFH2XSZ52HEWH/
- https://security.netapp.com/advisory/ntap-20230725-0001/
- https://www.debian.org/security/2023/dsa-5493
- https://www.vmware.com/security/advisories/VMSA-2023-0013.html
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-20867
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