Security readout for executives and security teams
Plain-English summary
CVE-2023-40262 is a stored cross-site scripting issue in Atos Unify OpenScape Voice Trace Manager V8 before V8 R0.9.11. An unauthenticated Access Request can place content that later affects the administration component. Business impact is usually account or session risk for administrators, not direct system takeover from the CVE record alone.
Executive priority
Treat this as a moderate-priority remediation for affected voice-management environments. It is not documented as exploited in the provided sources, but the unauthenticated entry point and administrator-facing stored XSS make timely upgrade and exposure reduction appropriate.
Technical view
The CVE describes unauthenticated stored XSS via Access Request in the administration component. CVSS 3.1 is 6.1 with network access, low complexity, no privileges, required user interaction, changed scope, low confidentiality and integrity impact, and no availability impact. The weakness is CWE-79.
Likely exposure
Likely exposure is limited to environments running Atos Unify OpenScape Voice Trace Manager V8 before V8 R0.9.11. Risk is higher if the Access Request path is reachable by unauthenticated users and administrators review submitted requests in the affected component.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not marked KEV. Exploitation would require stored content to be viewed by a user in the administration component, consistent with the CVSS user-interaction requirement.
Researcher notes
Key unknowns remain in the provided bundle: affected CPEs are listed as n/a, and no exploit telemetry is cited. Analysis should stay scoped to OpenScape Voice Trace Manager V8 before V8 R0.9.11 and the Access Request stored XSS path.
Mitigation direction
- Identify any OpenScape Voice Trace Manager V8 deployments and record exact versions.
- Prioritize moving versions before V8 R0.9.11 to a vendor-supported fixed release.
- Restrict unauthenticated reachability to Access Request where operationally feasible.
- Follow the Unify advisory for exact remediation and configuration guidance.
- Increase monitoring for suspicious Access Request submissions until remediation is complete.
Validation and detection
- Confirm whether OpenScape Voice Trace Manager V8 is present in the environment.
- Verify no production instance remains below V8 R0.9.11.
- Check whether Access Request is reachable without authentication.
- Review administrator workflows that render Access Request content.
- Use vendor-approved testing methods; avoid live script injection in production.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookupCVE-2023-40262 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
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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 Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.