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CVE-2020-2555: Oracle Multiple Products Remote Code Execution Vulnerability

CVE-2020-2555 is rated critical with a CVSS v3.1 base score of 9.8 and affects Oracle Multiple Products, along with 8 other products in NVD’s configuration data. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available. CISA added it to its Known Exploited Vulnerabilities catalog on 2021-11-03, which means exploitation in the wild has been observed.

Vulnerability 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).

Severity breakdown

CVSS v3.1 9.8: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
  • Attack complexity: Low. No special conditions; the attack can be repeated reliably.
  • Privileges required: None. No account or prior access is needed.
  • User interaction: None. No action from any user is needed.
  • Scope: Unchanged. Impact stays within the vulnerable component.
  • Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
  • Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
  • Availability impact: High. Total loss of availability; the component can be shut down.

Underlying weakness

CWE-502: Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Affected products

  • Oracle Coherence: 3.7.1.0; 12.1.3.0.0; 12.2.1.3.0; 12.2.1.4.0
  • Oracle Access Manager: 11.1.2.3.0
  • Oracle Commerce Platform: from 11.3.0 up to and including 11.3.2; 11.0.0; 11.1.0; 11.2.0
  • Oracle Communications Diameter Signaling Router: from 8.0.0 up to and including 8.2.2
  • Oracle Healthcare Data Repository: 7.0.1
  • Oracle Rapid Planning: 12.1; 12.2
  • Oracle Retail Assortment Planning: 15.0; 16.0
  • Oracle Utilities Framework: from 4.3.0.1.0 up to and including 4.3.0.6.0; 4.2.0.2.0; 4.2.0.3.0; 4.4.0.0.0; 4.4.0.2.0
  • Oracle Webcenter Portal: 12.2.1.3.0; 12.2.1.4.0

References