Actively exploited in the wild
Oracle Multiple Products Remote Code Execution Vulnerability
Oracle - Multiple Products · Listed in the CISA KEV since 2021-11-03. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2020-2555
CriticalCVSS 9.8KEVSummary
Vulnerability in Oracle Coherence (component: Caching, CacheStore, Invocation) allows an unauthenticated attacker with network access via T3 to compromise the product. Affected versions are 3.7.1.0, 12.1.3.0.0, 12.2.1.3.0, and 12.2.1.4.0. CVSS 3.0 Base Score 9.8.
Risk Assessment
Critical risk of takeover of Oracle Coherence by an unauthenticated attacker, potentially leading to full compromise of confidentiality, integrity, and availability.
Recommendation
Immediately update Oracle Coherence to the latest patched version and restrict network access to the T3 port.
Other vulnerabilities in Oracle Coherence
See all- CVE-2026-60308Critical
Vulnerability in Oracle Coherence (Core component) allows an unauthenticated attacker via HTTP to fully compromise the system. The attack is easy to perform.
- CVE-2026-60306Critical
Vulnerability in Oracle Coherence (Core component) allows an unauthenticated attacker via TCP to fully compromise the system. The attack is easy to perform.
- CVE-2026-60302Critical
Vulnerability in Oracle Coherence (Core component) allows an unauthenticated attacker to remotely take over the system via TCP.
- CVE-2026-60300Critical
Vulnerability in Oracle Coherence (Core component) allows an unauthenticated attacker to remotely take over the system via TCP.
- CVE-2026-60299Critical
Vulnerability in Oracle Coherence (Core component) allows an unauthenticated attacker to remotely take over the system via TCP.
- CVE-2026-60298Critical
Vulnerability in Oracle Coherence (component: Core) versions 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. An unauthenticated attacker with network access via TCP can easily exploit this flaw, leading to a complete takeover of Oracle Coherence.
- CVE-2026-60297Critical
Vulnerability in Oracle Coherence (component: Core) versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. An unauthenticated attacker with network access via TCP can easily exploit this flaw, leading to a complete takeover of Oracle Coherence.
- CVE-2026-60296Critical
Critical vulnerability in Oracle Coherence (Core component) allows an unauthenticated attacker to remotely take over the server via network using TCP. The attack does not impact other products (no scope change).
- CVE-2026-60290Critical
Vulnerability in Oracle Coherence (component: Core) versions 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. An unauthenticated attacker with network access via HTTP can easily exploit this flaw, leading to a complete takeover of Oracle Coherence.
- CVE-2026-60289Critical
Vulnerability in Oracle Coherence (component: Core) versions 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. An unauthenticated attacker with network access via HTTP can easily exploit this flaw, leading to a complete takeover of Oracle Coherence.
Original NVD description (English source)
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).

