CVE-2023-21839
Oracle WebLogic Server: Unspecified
As of , CVE-2023-21839 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 1 May 2023
- US federal deadline
- 22 May 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.99Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.08 on 1 May 2023EPSS 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 updates per vendor instructions.
CISA's required action
What the flaw is
Oracle WebLogic Server contains an unspecified vulnerability that allows an unauthenticated attacker with network access via T3, IIOP, to compromise Oracle WebLogic Server.
CISA's description
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
The CVE record's description, from oracle
- CVE published
- 17 January 2023
- Assigned by
- oracle
- CVSS
- 7.5 High (CVSS 3.1, from the CNA)
- CWE-306
- Missing Authentication for Critical Function
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- yes
- CISA SSVC, technical impact
- partial
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: Oracle Weblogic PreAuth Remote Command Execution via ForeignOpaqueReference IIOP Deserializationexploit module, rank excellent
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-2020-2883Unspecified | Oracle WebLogic Server | Patch this weekMetasploit module; EPSS 0.95 | 0.95 | ||
| 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