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Actively exploited · Published Jan 15, 2020 · Assigned by oracle

CVE-2020-2555

Critical 9.8 Exploited

In plain English

A critical-severity unsafe deserialization in Utilities Framework from Oracle Corporation. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). The chance it is exploited in the next 30 days is estimated at 97.1% (higher than 99.9% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Apply updates per vendor instructions.

Severity (CVSS 3.0)9.8Critical
Exploit odds (30 days)97.1%top 0.1% of all CVEs
Exploited in the wildYesCISA KEV since Nov 3, 2021
Attack tooling2Metasploit, Public PoC

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by May 3, 2022.

Official 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).

Affected products (as reported)

VendorProductVersions
Oracle Corporation WebCenter Portal 12.2.1.3.012.2.1.4.0
Oracle Corporation Utilities Framework 4.2.0.2.04.2.0.3.04.3.0.1.0-4.3.0.6.04.4.0.0.04.4.0.2.0

Weakness: CWE-502 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References