CVE-2023-20891 VMware Tanzu Application Service for VMs and Isolation Segment information disclosure vulnerability
Non-admin users with audit log access can retrieve hex-encoded admin credentials, enabling unauthorized application deployment and privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-20891?
CVE-2023-20891 is a medium-severity vulnerability in VMware Isolation segment, published on 26 Jul 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The VMware Tanzu Application Service for VMs and Isolation Segment contain an information disclosure vulnerability due to the logging of credentials in hex encoding in platform system audit logs. A malicious non-admin user who has access to the platform system audit logs can access hex encoded CF API admin credentials and can push new malicious versions of an application. In a default deployment non-admin users do not have access to the platform system audit logs.
Weakness: CWE-532
Which versions are affected by CVE-2023-20891?
It affects 2 products.
Products include Vmware Isolation Segment, Vmware Tanzu Application Service for Virtual Machines.
How do I fix CVE-2023-20891?
No fix has been published for CVE-2023-20891 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-20891 being exploited?
There is no known exploitation of CVE-2023-20891 in the wild and no public exploit code.
Sources
Also known as GHSA-m8v3-f26v-mhfj.