Security readout for executives and security teams
Plain-English summary
CVE-2021-35649 affects Oracle Secure Global Desktop 5.6. A low-privileged attacker with network access could read some accessible data and cause a partial service disruption. The impact is meaningful but bounded: no integrity impact is listed, and exploitation requires an authenticated low-privileged position.
Executive priority
Treat as a moderate-priority remediation item for environments using Oracle Secure Global Desktop 5.6. Prioritize faster if the service is broadly reachable or many low-privileged users have access.
Technical view
The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L, score 5.4. The vulnerable component is Oracle Secure Global Desktop Server. The sources do not list a CWE, root cause, exploit method, or detailed patch version beyond Oracle's October 2021 CPU reference.
Likely exposure
Exposure is limited to organizations running Oracle Secure Global Desktop version 5.6, especially where low-privileged users can reach the server over enabled network protocols.
Exploitation context
The source bundle does not show CISA KEV inclusion or cited evidence of active exploitation. The vulnerability is described as easily exploitable after obtaining low-privileged network access, with confidentiality and partial availability impacts.
Researcher notes
Available public details are sparse. Analysis should stay close to Oracle and CVE records: affected version 5.6, Server component, low-privileged network attacker, confidentiality and partial availability impact, no integrity impact listed.
Mitigation direction
- Review Oracle's October 2021 CPU guidance for Secure Global Desktop.
- Apply applicable Oracle vendor updates or remediation guidance.
- Restrict network access to Secure Global Desktop servers.
- Limit and review low-privileged accounts with server access.
- Monitor for unusual access or service degradation events.
Validation and detection
- Inventory Oracle Secure Global Desktop deployments and versions.
- Confirm whether version 5.6 is present.
- Check whether October 2021 Oracle CPU remediation was applied.
- Review network paths to the Secure Global Desktop Server.
- Validate least-privilege access for accounts reaching the service.
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-2021-35649 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
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
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:L/UI:N/S:U/C:L/I:N/A:L2.82.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://www.oracle.com/security-alerts/cpuoct2021.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.