Read the docs
TI-2021-01704 Aliases CVE-2021-2018GHSA-q87v-4pg3-cw3m

Vulnerability in the Advanced Networking Option component of Oracle Database Server.

Priority MEDIUM 41Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Vulnerability in the Advanced Networking Option component of Oracle Database Server. Supported versions that are affected are 18c and 19c. Difficult to exploit vulnerability allows unauthenticated attacker with network access via Oracle Net to compromise Advanced Networking Option. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Advanced Networking Option, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Advanced Networking Option. Note: CVE-2021-2018 affects Windows platform only. CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01459 73rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleAdvanced Networking Option18c; 19c—No fix listedCNA
  • Advanced Networking Option VendorOracle Affected 18c; 19c Fixed in — No fix listed CNA

CPE configurations NVD · 11

CPEVersionsRoleVendor
cpe:2.3:a:oracle:advanced_networking_option:18c:*:*:*:*:*:*:.18cVulnerableOracle
cpe:2.3:a:oracle:advanced_networking_option:19c:*:*:*:*:*:*:.19cVulnerableOracle
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:a:oracle:adaptive_access_manager:11.1.2.3.0:*:*:*:*:*:*:*11.1.2.3.0VulnerableOracle
cpe:2.3:a:oracle:data_integrator:11.1.1.9.0:*:*:*:*:*:*:*11.1.1.9.0VulnerableOracle
cpe:2.3:a:oracle:data_integrator:12.2.1.3.0:*:*:*:*:*:*:*12.2.1.3.0VulnerableOracle
cpe:2.3:a:oracle:data_integrator:12.2.1.4.0:*:*:*:*:*:*:*12.2.1.4.0VulnerableOracle
cpe:2.3:a:oracle:enterprise_manager_for_fusion_applications:13.3.0.0:*:*:*:*:*:*:*13.3.0.0VulnerableOracle
cpe:2.3:a:oracle:hospitality_simphony:18.2.7.2:*:*:*:*:*:*:*18.2.7.2VulnerableOracle
cpe:2.3:a:oracle:hospitality_simphony:19.1.3:*:*:*:*:*:*:*19.1.3VulnerableOracle
  • cpe:2.3:a:oracle:advanced_networking_option:18c:*:*:*:*:*:*:. Versions 18c Vulnerable ·Oracle
  • cpe:2.3:a:oracle:advanced_networking_option:19c:*:*:*:*:*:*:. Versions 19c Vulnerable ·Oracle
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:a:oracle:adaptive_access_manager:11.1.2.3.0:*:*:*:*:*:*:* Versions 11.1.2.3.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:data_integrator:11.1.1.9.0:*:*:*:*:*:*:* Versions 11.1.1.9.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:data_integrator:12.2.1.3.0:*:*:*:*:*:*:* Versions 12.2.1.3.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:data_integrator:12.2.1.4.0:*:*:*:*:*:*:* Versions 12.2.1.4.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:enterprise_manager_for_fusion_applications:13.3.0.0:*:*:*:*:*:*:* Versions 13.3.0.0 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:hospitality_simphony:18.2.7.2:*:*:*:*:*:*:* Versions 18.2.7.2 Vulnerable ·Oracle
  • cpe:2.3:a:oracle:hospitality_simphony:19.1.3:*:*:*:*:*:*:* Versions 19.1.3 Vulnerable ·Oracle
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:*12.2.1.3.0VulnerableOracle
  • cpe:2.3:a:oracle:weblogic_server:12.2.1.3.0:*:*:*:*:*:*:* Versions 12.2.1.3.0 Vulnerable ·Oracle

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-2018
  2. 2026-10-03 Alias added: GHSA-q87v-4pg3-cw3m

References

  • TI-2016-07072 Uncontrolled resource consumption in OpenSSL CVSS 3.1HIGH 7.5
  • TI-2018-02079 Vulnerability in the Oracle Adaptive Access Manager component of Oracle Fusion Middleware… CVSS 3.0HIGH 7.6
  • TI-2018-01906 Vulnerability in the Oracle Access Manager component of Oracle Fusion Middleware… CVSS 3.1MEDIUM 6.5

Sources