How severe is CVE-2025-30733?

CVE-2025-30733 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-30733 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-30733?

CVE-2025-30733 affects Oracle Rdbms Listener. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-30733?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-30733 have an EU (EUVD) identifier?

Yes. CVE-2025-30733 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11018.

When was CVE-2025-30733 published?

CVE-2025-30733 was published on 2025-04-15 and last updated on 2026-06-17.

CVE-2025-30733

CVE-2025-30733 is a medium-severity vulnerability in Oracle Rdbms Listener with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-11018
Weakness: CWE-287
Affected product: Oracle Rdbms Listener
Published: 2025-04-15
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2025-30733?: 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).
How severe is CVE-2025-30733?: CVE-2025-30733 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-30733 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-30733?: CVE-2025-30733 affects Oracle Rdbms Listener. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-30733?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-30733 have an EU (EUVD) identifier?: Yes. CVE-2025-30733 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-11018.
When was CVE-2025-30733 published?: CVE-2025-30733 was published on 2025-04-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oracle:rdbms_listener:*:*:*:*:*:*:*:*

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →