CVE-2023-20891: vmware isolation_segment
Vulnerability summary
CVE-2023-20891 is a medium (CVSS 6.5) vulnerability in vmware isolation_segment. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.6% of scored vulnerabilities.
Timeline
- 26-07-2023PublishedVulnerability first disclosed.
- 21-10-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.64%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
0.00 pp
From 0.64% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Vmware3 products
- isolation_segment≥ 4.0.x, < 4.0.4 | ≥ 3.0.x, < 3.0.13 | ≥ 2.13.x, < 2.13.20 | ≥ 2.11.x, < 2.11.35 | ≥ 2.11.0, < 2.11.35 | ≥ 2.13.0, < 2.13.20 | ≥ 3.0.0, < 3.0.13 | ≥ 4.0.0, < 4.0.4
- tanzu_application_service_for_virtual_machines≥ 2.11.0, < 2.11.42 | ≥ 2.13.0, < 2.13.24 | ≥ 3.0.0, < 3.0.14 | ≥ 4.0.0, < 4.0.5
- vmware tanzu application service for vms≥ 4.0.x, < 4.0.5 | ≥ 3.0.x, < 3.0.14 | ≥ 2.13.x, < 2.13.24 | ≥ 2.11.x, < 2.11.42
1 vendor · 3 products