CVE-2020-2883
Oracle — Oracle WebLogic Server Unspecified Vulnerability
Oracle · Not classified by connected sources · in CISA KEV since 2025-01-07
EVRS 87 of 100 Immediate
Out-of-Band / Urgent Remediation
Rank 289 of 2,960 tracked
Why it scores 87
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and an EPSS probability of 0.946.
- CISA KEVApplied
- RansomwareDid not apply
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
No fixed version identified yetCISA required action
Affected versions
- weblogic server
10.3.6.0.012.1.3.0.012.2.1.3.012.2.1.4.0
Remediation
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 9.8 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.946 (99.86th pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Unknown or none | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2025-01-28 · KEV since 2025 · listed over a year | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | Public module exists | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 9.8 (v3.0), assigned by oracle. | Listed | ENISA EUVD |
Description
NVDVulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). 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, 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).
What CISA says to do
Public module
Metasploit lists a public normal-rank module for this CVE: WebLogic Server Deserialization RCE BadAttributeValueExpException ExtComp (multi/misc/weblogic_deserialize_badattr_extcomp). A module existing is not the same as active exploitation; see metasploit.com.