AltaVault OST Plug-in versions prior to 1.2.2 may allow attackers to obtain sensitive information via unspecified vectors. All users are urged to move to a fixed version and change passwords used by Veritas NetBackup to access the OST shares on the NetApp AltaVault as a precaution.
Conclusion & alert: CVE-2017-15517 is rated Low Risk (32.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.37%). 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 | 0.18% | 0.37% | +0.19% |
| 2 | 2025-03-30 | 0.26% | 0.18% | -0.08% |
| 3 | 2025-03-29 | — | 0.26% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.5 | 3.0 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| netapp | altavault_ost_plug-in | < 1.2.2 | cpe:2.3:a:netapp:altavault_ost_plug-in:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://security.netapp.com/advisory/ntap-20171116-0001/ | Vendor Advisory |