CVE-2026-21977
Vulnerability in the Oracle Zero Data Loss Recovery Appliance Software product of Oracle Zero Data Loss Recovery Appliance (component: Security). Supported versions that are affected are 23.1.0-23.1.202509. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Oracle Zero Data Loss Recovery Appliance Software. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Zero Data Loss Recovery Appliance Software accessible data. CVSS 3.1 Base Score 3.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N).
EPSS 0.05% · 16.0th percentile
Risk Scores
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| oracle | zero_data_loss_recovery_appliance_software | 23.1.0, 23.1.0 |
| Oracle Corporation | Oracle Zero Data Loss Recovery Appliance Software | 23.1.0, 23.1.0 |
Exploit Intelligence
- CIRCL seen: CVE-2026-21977 (circl-sighting)
- CIRCL seen: CVE-2026-21977 (circl-sighting)
- CIRCL seen: CVE-2026-21977 (circl-sighting)
- Oracle Advisory (circl)
Timeline
- CVE Published
- Jan 20, 2026 PoC Published
- Jan 21, 2026 EPSS Score
- Jan 21, 2026 PoC Published
- Jan 21, 2026 PoC Published
- Jan 24, 2026 EPSS Score
- Jan 26, 2026 EPSS Score
- Jan 29, 2026 EPSS Score
- Feb 1, 2026 EPSS Score
- Feb 4, 2026 EPSS Score
- Feb 6, 2026 EPSS Score
- Feb 9, 2026 EPSS Score
References
- Oracle Advisory vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-21977 advisory