Symantec Backup Exec 2010 R3 before 2010 R3 SP3 and 2012 before SP2 uses weak permissions (Everyone: Read and Everyone: Change) for backup data files, which allows local users to obtain sensitive information or modify the outcome of a restore via direct access to these files.
Conclusion & alert: CVE-2013-4677 is rated Low Risk (21.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). 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 | 2025-03-17 | 0.04% | 0.05% | +0.01% |
| 2 | 2023-03-07 | 0.89% | 0.04% | -0.85% |
| 3 | 2022-02-04 | — | 0.89% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
3.1 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| symantec | backup_exec | 2010 | cpe:2.3:a:symantec:backup_exec:2010:*:*:*:*:*:*:* |
| symantec | backup_exec | 2010_r3 | cpe:2.3:a:symantec:backup_exec:2010_r3:sp1:*:*:*:*:*:* |
| symantec | backup_exec | 2010_r3 | cpe:2.3:a:symantec:backup_exec:2010_r3:sp2:*:*:*:*:*:* |
| symantec | backup_exec | 2012 | cpe:2.3:a:symantec:backup_exec:2012:*:*:*:*:*:*:* |
| symantec | backup_exec | 2012 | cpe:2.3:a:symantec:backup_exec:2012:sp1:*:*:*:*:*:* |