Security readout for executives and security teams
Plain-English summary
CVE-2019-12702 is a reflected cross-site scripting issue in the web management interface for Cisco SPA100 Series analog telephone adapters. In the provided data, Cisco SPA112 is explicitly listed. An authenticated attacker would need to convince a user to open a crafted link, potentially exposing browser-based information or allowing script execution in that management interface.
Executive priority
Treat as a moderate-priority infrastructure hygiene issue. It is not presented as actively exploited, but management interfaces on voice infrastructure should not be broadly reachable. Prioritize verification where these adapters remain in production or are administered from shared user networks.
Technical view
The vulnerability is CWE-79 caused by insufficient validation of user-supplied input in the affected web-based management interface. CVSS 3.0 is 5.4 with network attack vector, low complexity, low privileges required, user interaction required, changed scope, and low confidentiality and integrity impact. Availability impact is not indicated.
Likely exposure
Likely exposure is limited to environments using Cisco SPA112 ATAs where the web management interface is reachable by authenticated users. The bundle title references SPA100 Series devices, but the affected-products field only names Cisco SPA112. Internet exposure, affected firmware versions, and asset prevalence are not provided.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation. Exploitation requires authentication and user interaction: the attacker must persuade a user to click a crafted link. The expected result is script execution in the affected interface context or access to sensitive browser-based information.
Researcher notes
Evidence is limited to the CVE bundle and Cisco advisory reference. The bundle does not include affected firmware ranges, fixed versions, or detailed mitigations. Avoid expanding scope beyond Cisco SPA112 unless the Cisco advisory confirms other SPA100 models.
Mitigation direction
- Check Cisco’s advisory for affected releases and vendor-approved fixes.
- Restrict access to ATA web management interfaces to trusted administration networks.
- Review whether Cisco SPA112 devices are still required in production.
- Disable or limit web management where operationally feasible.
- Apply vendor guidance before treating this as resolved.
Validation and detection
- Inventory Cisco SPA112 ATA devices and ownership.
- Confirm whether each device exposes the web-based management interface.
- Compare device software against Cisco’s advisory guidance.
- Review management interface access controls and authentication paths.
- Check asset records for unsupported or unmanaged ATA deployments.
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-2019-12702 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 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.4MediumVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20191016 Cisco SPA100 Series Analog Telephone Adapters Reflected 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 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.