Unspecified vulnerability in the Oracle Secure Backup component in Oracle Secure Backup 10.2.0.3 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors. NOTE: the previous information was obtained from the July 2009 Oracle CPU. Oracle has not commented on claims from an independent researcher that this vulnerability allows attackers to bypass authentication via unknown vectors involving the username parameter and login.php.
Conclusion & alert: CVE-2009-1977 is rated High Exploit Risk (84.8/100): CVSS Critical severity, with high exploitation likelihood (EPSS 72.64%, 99th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 9652 | exploit_db | edb | 2009-09-14 | Exploit-DB ↗ |
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 | 83.93% | 72.64% | -11.29% |
| 2 | 2026-03-29 | 85.14% | 83.93% | -1.21% |
| 3 | 2025-03-30 | — | 85.14% | — |
Full EPSS history (13 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| oracle | secure_backup | 10.2.0.3 | cpe:2.3:a:oracle:secure_backup:10.2.0.3:*:*:*:*:*:*:* |