An issue was discovered in Veritas NetBackup IT Analytics 11 before 11.2.0. The application upgrade process included unsigned files that could be exploited and result in a customer installing unauthentic components. A malicious actor could install rogue Collector executable files (aptare.jar or upgrademanager.zip) on the Portal server, which might then be downloaded and installed on collectors.
Conclusion & alert: CVE-2023-28818 is rated Low Risk (23.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.17%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.05% | 0.17% | +0.11% |
| 2 | 2025-11-21 | 0.05% | 0.05% | +0.01% |
| 3 | 2025-11-18 | — | 0.05% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| veritas | aptare_it_analytics | < 10.6.00 | cpe:2.3:a:veritas:aptare_it_analytics:*:*:*:*:*:*:*:* |
| veritas | netbackup_it_analytics | 11.0.00 | cpe:2.3:a:veritas:netbackup_it_analytics:11.0.00:*:*:*:*:*:*:* |
| veritas | netbackup_it_analytics | 11.1.00 | cpe:2.3:a:veritas:netbackup_it_analytics:11.1.00:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.veritas.com/content/support/en_US/security/VTS23-002 | Vendor Advisory |