CVE-2023-20867
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with an admin-level account. Limited direct impact.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2023-06-23 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2023-07-14 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 13.6% in the next 30 days (EPSS).
- Severity: 3.9 LOW (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Added to CISA KEV
- 2023-06-23
- Exploit probability
- 13.6% · EPSS, next 30 days
- Weakness
- CWE-287 · Improper authentication
- Record status
- Analyzed
Affected
- VMware Tools < 12.2.5
- Debian Linux 10.0
- Debian Linux 11.0
- Debian Linux 12.0
- Fedoraproject Fedora 37
- Fedoraproject Fedora 38
- Fedoraproject Fedora 39
Attack profile CVSS 3.1 · 3.9
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Raw vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2023-20867.md and follow it. Check whether this project is affected by CVE-2023-20867. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2023/10/16/11
- http://www.openwall.com/lists/oss-security/2023/10/16/2
- 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://www.vmware.com/security/advisories/VMSA-2023-0013.html
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/[email protected]/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/
- https://lists.fedoraproject.org/archives/list/[email protected]/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/[email protected]/message/NVKQ6Y2JFJRWPFOZUOTFO3H27BK5GGOG/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/TJNJMD67QIT6LXLKWSHFM47DCLRSMT6W/
- https://lists.fedoraproject.org/archives/list/[email protected]/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