CVEs / CVE-2020-2551
CVE-2020-2551: Oracle Fusion Middleware Unspecified Vulnerability
- Known exploited in the CISA KEV catalog since 16 Nov 2023
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 92.8% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Oracle Fusion Middleware contains an unspecified vulnerability in the WLS Core Components that allows an unauthenticated attacker with network access via IIOP to compromise the WebLogic Server.
Description
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: WLS Core Components). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP 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).
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Oracle Corporation WebLogic Server | 10.3.6.0.0 | — |
| Oracle Corporation WebLogic Server | 12.1.3.0.0 | — |
| Oracle Corporation WebLogic Server | 12.2.1.3.0 | — |
| Oracle Corporation WebLogic Server | 12.2.1.4.0 | — |
Exploitation
| In CISA KEV since | 16 Nov 2023 |
|---|---|
| Due date for US federal agencies | 7 Dec 2023 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|
References
- CVE-2020-2551 on NVD
- CVE-2020-2551 in the CISA KEV catalog
- https://www.oracle.com/security-alerts/cpujan2020.html (cited by CISA)
- https://www.oracle.com/security-alerts/cpujan2020.html Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2551 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.