Security readout for executives and security teams
Plain-English summary
Cisco Unified Contact Center Express has a stored XSS flaw in its web management interface. An attacker would need valid administrator credentials and user interaction, but success could let scripts run in another administrator's browser and expose browser-accessible sensitive information.
Executive priority
Treat as a moderate-priority administrative-plane issue. It is less urgent than unauthenticated remote code execution, but should be addressed because compromise of administrator browser sessions can affect contact-center operations and sensitive management data.
Technical view
CVE-2019-12626 is insufficient input validation in the Unified CCX web-based management interface. The CVSS v3.0 score is 4.8 with high privileges required, user interaction required, changed scope, low confidentiality and integrity impact, and no availability impact.
Likely exposure
Exposure is limited to organizations running Cisco Unified Contact Center Express with reachable administrative web interfaces. The provided bundle does not identify specific affected or fixed versions, so version impact must be confirmed against Cisco's advisory.
Exploitation context
The source says exploitation requires valid administrator credentials and persuading a management-interface user to click a crafted link. CISA KEV status is false in the bundle, and no cited source here supports active exploitation.
Researcher notes
Key constraints are PR:H and UI:R. The flaw is stored XSS tied to CWE-20 input validation. The bundle lacks specific affected versions, fixed releases, and exploit telemetry, so avoid claiming broad product exposure or active exploitation without additional vendor evidence.
Mitigation direction
- Check Cisco's advisory for affected and fixed Unified CCX releases.
- Restrict Unified CCX management access to trusted administrator networks.
- Review administrator accounts for least privilege and unnecessary access.
- Prioritize remediation where the management interface is broadly reachable.
- Warn administrators about unexpected links involving the management interface.
Validation and detection
- Inventory Cisco Unified Contact Center Express deployments and exposed admin interfaces.
- Compare running Unified CCX versions with Cisco's advisory guidance.
- Confirm management access is restricted to approved admin networks.
- Review logs for unusual administrator activity around the management interface.
- Verify administrators use named accounts rather than shared credentials.
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-20: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2019-12626 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
- 4.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:H/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:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N1.72.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.8MediumVector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20190821 Cisco Unified Contact Center Express Stored Cross-Site Scripting VulnerabilityCVE reference · vendor-advisory, x_refsource_CISCO
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 Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.