CVE-2020-2883
Oracle WebLogic Server: Unspecified
As of , CVE-2020-2883 in Oracle WebLogic Server is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.
- Exploited
- Yes: CISA listed it on 7 January 2025
- US federal deadline
- 28 January 202521 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.95Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.96 on 7 January 2025EPSS on the day CISA listed it.
- Public exploit
- 1 Metasploit module
- Fix
- Vendor advice: www.oracle.comLinks below, from CISA's entry.
What CISA says to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA's required action
What the flaw is
Oracle WebLogic Server, a product within the Fusion Middleware suite, contains an unspecified vulnerability exploitable by an unauthenticated attacker with network access via IIOP or T3.
CISA's description
Vulnerability 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).
The CVE record's description, from oracle
- CVE published
- 15 April 2020
- Assigned by
- oracle
- CVSS
- 9.8 Critical (CVSS 3.0, from the CNA)
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- yes
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Public exploits
Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.
- Metasploit: WebLogic Server Deserialization RCE BadAttributeValueExpException ExtCompexploit module, rank normal
WebLogic Server: other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2018-2628Unspecified | Oracle WebLogic Server | Patch this weekMetasploit module; EPSS 0.99; verified Exploit-DB entry | 0.99 | ||
| CVE-2017-10271Corporation WebLogic Server Remote Code Execution | Oracle WebLogic Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99; verified Exploit-DB entry | 0.99 | ||
| CVE-2019-2725WebLogic Server, Injection | Oracle WebLogic Server | Patch this weekRansomware use; Metasploit module; EPSS 0.99; verified Exploit-DB entry | 0.99 | ||
| CVE-2015-4852Deserialization of Untrusted Data | Oracle WebLogic Server | Patch this weekMetasploit module; EPSS 0.96; verified Exploit-DB entry | 0.96 | ||
| CVE-2023-21839Unspecified | Oracle WebLogic Server | Patch this weekMetasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2020-14750Remote Code Execution | Oracle WebLogic Server | Patch this weekMetasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2020-14882Remote Code Execution | Oracle WebLogic Server | Patch this weekMetasploit module; EPSS 0.99 | 0.99 | ||
| CVE-2020-14883Unspecified | Oracle WebLogic Server | Patch this weekMetasploit module; EPSS 0.98 | 0.98 | ||
| CVE-2024-21182Unspecified | Oracle WebLogic Server | Patch this weekEPSS 0.74 | 0.74 | ||
| CVE-2020-14644Remote Code Execution | Oracle WebLogic Server | Patch this weekEPSS 0.95 | 0.95 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org