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TI-2021-01724 Aliases CVE-2021-2039GHSA-gxj7-5cpw-xw2j

Vulnerability in the Siebel Core - Server Framework product of Oracle Siebel CRM…

Priority LOW 35Published · Updated

Key facts

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

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

Summary

Vulnerability in the Siebel Core - Server Framework product of Oracle Siebel CRM (component: Search). Supported versions that are affected are 20.12 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel Core - Server Framework. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Siebel Core - Server Framework, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel Core - Server Framework accessible data as well as unauthorized update, insert or delete access to some of Siebel Core - Server Framework accessible data. CVSS 3.1 Base Score 7.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00949 61st 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
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
OracleSiebel Core - Server Frameworkup to 20.12—No fix listedCNA
  • Siebel Core - Server Framework VendorOracle Affected up to 20.12 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:oracle:siebel_core_-_server_framework:*:*:*:*:*:*:*:*up to 20.12VulnerableOracle
  • cpe:2.3:a:oracle:siebel_core_-_server_framework:*:*:*:*:*:*:*:* Versions up to 20.12 Vulnerable ·Oracle

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-2039
  2. 2026-10-03 Alias added: GHSA-gxj7-5cpw-xw2j

References

  • TI-2020-15186 FasterXML jackson-databind 2.x before 2.9.10.6 mishandles the interaction between… CVSS 3.1HIGH 8.1
  • TI-2020-09314 The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while… CVSS 3.1HIGH 7.5
  • TI-2019-00177 Missing authorization in Apache ZooKeeper CVSS 3.1MEDIUM 5.9
  • TI-2019-02318 Vulnerability in the Siebel Core - Server Framework component of Oracle Siebel CRM… CVSS 3.0MEDIUM 6.1
  • TI-2021-02023 Vulnerability in the Siebel Core - Server Framework product of Oracle Siebel CRM… CVSS 3.1MEDIUM 4.4

Sources