Security readout for executives and security teams
Plain-English summary
This flaw affects Atos Unify OpenScape Voice Trace Manager V8 before V8 R0.9.11. A logged-in attacker could abuse FTP-related functionality to run commands on the system. Impact is high because the CVSS vector indicates potential full confidentiality, integrity, and availability compromise.
Executive priority
Treat as high priority for affected voice infrastructure. It is not documented here as actively exploited, but successful abuse could compromise the host and disrupt communications services.
Technical view
CVE-2023-40263 is an authenticated OS command injection issue, mapped to CWE-77. The CVSS 3.1 score is 8.8 with network attack vector, low complexity, low privileges required, no user interaction, unchanged scope, and high CIA impact.
Likely exposure
Exposure is likely limited to environments running OpenScape Voice Trace Manager V8 earlier than V8 R0.9.11, especially where the affected service is network-reachable and user accounts exist for the application.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The issue requires authentication, but low privileges are enough according to the CVSS vector.
Researcher notes
Evidence is sparse in the provided bundle. The reliable details are product/version boundary, authenticated command injection via FTP, CWE-77, and CVSS vector. No exploit proof, attack procedure, or detailed mitigation text is included.
Mitigation direction
- Identify OpenScape Voice Trace Manager V8 deployments and installed versions.
- Upgrade affected systems to V8 R0.9.11 or later per vendor guidance.
- Restrict network access to administrative and FTP-related interfaces.
- Review and reduce application accounts with access to the affected functionality.
- Monitor vendor advisory OBSO-2305-02 for confirmed remediation details.
Validation and detection
- Confirm whether any deployment runs a version before V8 R0.9.11.
- Verify access controls for Trace Manager and FTP-related functions.
- Review logs for unusual authenticated activity around affected functionality.
- Check vulnerability scanners for CVE-2023-40263 detection coverage.
- Confirm remediation status against vendor advisory and asset inventory.
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.
CWE-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-40263 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
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://networks.unify.com/security/advisories/OBSO-2305-02.pdfCVE reference
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.
Improper Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.