Security readout for executives and security teams
Plain-English summary
Oracle Secure Global Desktop 5.6 has a critical client-side vulnerability that can let an unauthenticated network attacker take over the product if they can induce user interaction. The business risk is high because successful compromise affects confidentiality, integrity, and availability, and Oracle notes attacks may significantly affect additional products.
Executive priority
Treat this as a near-term remediation priority for any Oracle Secure Global Desktop 5.6 environment. The score, unauthenticated network reachability, and takeover impact justify urgent inventory and vendor-guided patch validation, even though active exploitation is not established in the provided sources.
Technical view
CVE-2021-2446 affects Oracle Secure Global Desktop 5.6, component Client. The CVSS 3.1 score is 9.6 with network attack vector, low complexity, no privileges required, required user interaction, changed scope, and high confidentiality, integrity, and availability impact. No CWE is provided in the source bundle.
Likely exposure
Exposure is most likely where Oracle Secure Global Desktop 5.6 client functionality is deployed and reachable over network-accessible protocols. The source bundle does not identify specific configurations, platforms, or deployment patterns beyond supported version 5.6.
Exploitation context
The provided data does not show CISA KEV listing or cited evidence of active exploitation. The vulnerability is described as easily exploitable by an unauthenticated attacker with network access, but successful attack requires human interaction from someone other than the attacker.
Researcher notes
Key unknowns are root cause, precise vulnerable client behavior, and named fixed builds. The source bundle gives impact, attack prerequisites, affected version, and Oracle CPU reference, but no exploit details or concrete mitigation text. Avoid assuming exploitation or affected adjacent products without additional vendor evidence.
Mitigation direction
- Check Oracle’s July 2021 Critical Patch Update guidance for CVE-2021-2446.
- Upgrade or patch affected Oracle Secure Global Desktop 5.6 systems per Oracle guidance.
- Prioritize systems with user-facing client workflows or broad network reachability.
- Reduce unnecessary network access while remediation status is confirmed.
- Document compensating controls if immediate remediation is not possible.
Validation and detection
- Inventory Oracle Secure Global Desktop deployments and confirm whether version 5.6 is present.
- Verify whether the Client component is installed or used in affected environments.
- Confirm patch or upgrade status against Oracle’s July 2021 CPU entry.
- Review network paths exposing Secure Global Desktop services to untrusted users.
- Check security monitoring for unusual access around affected SGD services.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-2446 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H2.86Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpujul2021.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.