CVE-2025-30733: oracle corporation oracle database server Improper Authentication
Vulnerability summary
CVE-2025-30733 is a medium (CVSS 6.5) Improper Authentication vulnerability in oracle corporation oracle database server. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 33% of scored vulnerabilities.
Timeline
- 15-04-2025PublishedVulnerability first disclosed.
- 19-05-2025Last modifiedVulnerability information updated.
Description
Vulnerability in the RDBMS Listener component of Oracle Database Server. Supported versions that are affected are 19.3-19.26, 21.3-21.17 and 23.4-23.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise RDBMS Listener. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all RDBMS Listener accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N).
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
+0.01 pp
From 0.40% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Oracle1 product
- rdbms_listener≥ 19.3, ≤ 19.26 | ≥ 21.3, ≤ 21.17 | ≥ 23.4, ≤ 23.7
Oracle corporation1 product
- oracle database server≥ 19.3, ≤ 19.26 | ≥ 21.3, ≤ 21.17 | ≥ 23.4, ≤ 23.7
2 vendors · 2 products