CVE-2020-2555
Oracle Multiple Products Remote Code Execution Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching,CacheStore,Invocation). Supported versions that are affected are 3.7.1.0, 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 T3 to compromise Oracle Coherence. Successful attacks of this vulnerability can result in takeover of Oracle Coherence. 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).
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 97.12% probability · 100th percentile
- Public exploits
- 2 in Exploit-DB · verified · first 14 April 2020
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Weakness
- CWE-502
- Affected
- oracle/access manager · oracle/coherence · oracle/commerce platform · oracle/communications diameter signaling router · oracle/healthcare data repository · oracle/rapid planning · oracle/retail assortment planning · oracle/utilities framework · oracle/webcenter portal
- Source
- secalert_us@oracle.com
EPSS 97.1% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-2555
Public exploits (2)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/157054/Oracle-Coherence-Fusion-Middleware-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/157207/Oracle-WebLogic-Server-12.2.1.4.0-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/157795/WebLogic-Server-Deserialization-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://www.oracle.com/security-alerts/cpujan2020.htmlVendor Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlVendor Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlVendor Advisory
- https://www.oracle.com/security-alerts/cpujul2021.htmlPatch, Vendor Advisory
- https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Vendor Advisory
- http://packetstormsecurity.com/files/157054/Oracle-Coherence-Fusion-Middleware-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/157207/Oracle-WebLogic-Server-12.2.1.4.0-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/157795/WebLogic-Server-Deserialization-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- https://www.oracle.com/security-alerts/cpujan2020.htmlVendor Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlVendor Advisory
- https://www.oracle.com/security-alerts/cpujul2020.htmlVendor Advisory
- https://www.oracle.com/security-alerts/cpujul2021.htmlPatch, Vendor Advisory
- https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2555US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.