Security readout for executives and security teams
Plain-English summary
CVE-2021-2245 is a low-severity Oracle Database Enterprise Edition issue affecting Unified Audit in versions 18c and 19c. It requires a highly privileged user with Create Audit Policy privilege and network access through Oracle Net. The business concern is limited but real: tampering with some audit-related data could weaken audit reliability.
Executive priority
Treat as routine patch governance unless the affected database supports regulated audit trails or sensitive compliance evidence. Prioritize systems with broad administrator access or exposed Oracle Net connectivity.
Technical view
The flaw is in Oracle Database Server's Unified Audit component. Oracle describes it as network-exploitable with low attack complexity, no user interaction, and high privileges required. Successful exploitation can allow unauthorized update, insert, or delete access to some Unified Audit accessible data. CVSS 3.1 score is 2.7 with integrity-only impact.
Likely exposure
Exposure is limited to Oracle Database Enterprise Edition 18c and 19c where users have Create Audit Policy privilege and Oracle Net access to the database.
Exploitation context
The source bundle does not show active exploitation, KEV listing, public exploit evidence, or weaponized details. The required privilege level substantially limits likely attacker population.
Researcher notes
The core risk is constrained integrity impact against Unified Audit data, not database-wide compromise. Evidence is limited to the CVE record and Oracle CPU reference; no CWE, exploit status, or detailed root cause is provided.
Mitigation direction
- Review Oracle's April 2021 Critical Patch Update guidance for affected 18c and 19c systems.
- Apply the relevant Oracle-supported patch level or later vendor guidance.
- Restrict Create Audit Policy privilege to trusted administrative roles only.
- Review Oracle Net exposure to reduce unnecessary database network access.
Validation and detection
- Inventory Oracle Database Enterprise Edition instances running 18c or 19c.
- Confirm whether April 2021 CPU or later relevant fixes are applied.
- Identify accounts or roles with Create Audit Policy privilege.
- Check whether affected databases are reachable through Oracle Net from untrusted networks.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Database behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-2245 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 2.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N1.21.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
2.7LowVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpuapr2021.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.