How severe is CVE-2018-2628?

CVE-2018-2628 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-2628 being actively exploited?

Yes. CVE-2018-2628 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-09-08, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2018-2628?

CVE-2018-2628 primarily affects Oracle Weblogic Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-2628?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2018-2628 have an EU (EUVD) identifier?

Yes. CVE-2018-2628 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-14483. It is also flagged as exploited in the EUVD (since 2022-09-08).

When was CVE-2018-2628 published?

CVE-2018-2628 was published on 2018-04-19 and last updated on 2026-06-17.

CVE-2018-2628

CVE-2018-2628 is a critical-severity vulnerability in Oracle Weblogic Server with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-09-08). The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 99% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2022-09-08)
EU (EUVD) id: EUVD-2018-14483
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-09-08)
Weakness: CWE-502
Affected product: Oracle Weblogic Server
Published: 2018-04-19
Last modified: 2026-06-17

Description

Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Core Components). Supported versions that are affected are 10.3.6.0, 12.1.3.0, 12.2.1.2 and 12.2.1.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Frequently asked questions

What is CVE-2018-2628?: Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware (subcomponent: WLS Core Components). Supported versions that are affected are 10.3.6.0, 12.1.3.0, 12.2.1.2 and 12.2.1.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
How severe is CVE-2018-2628?: CVE-2018-2628 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-2628 being actively exploited?: Yes. CVE-2018-2628 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-09-08, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2018-2628?: CVE-2018-2628 primarily affects Oracle Weblogic Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-2628?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2018-2628 have an EU (EUVD) identifier?: Yes. CVE-2018-2628 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2018-14483. It is also flagged as exploited in the EUVD (since 2022-09-08).
When was CVE-2018-2628 published?: CVE-2018-2628 was published on 2018-04-19 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:oracle:weblogic_server:10.3.6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:12.1.3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:12.2.1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:oracle:weblogic_server:12.2.1.3:*:*:*:*:*:*:*

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