Security readout for executives and security teams
Plain-English summary
Cisco Prime Network Registrar has a web management interface flaw that could let an attacker run browser script if an interface user clicks a malicious link. This is not a direct server takeover, but it can expose browser-held information or affect actions inside the management interface.
Executive priority
Handle as a moderate-priority administrative-interface issue. Prioritize if the product manages critical DNS/DHCP/IPAM services or if the interface is reachable by broad user populations. It is less urgent than unauthenticated remote code execution, but still relevant because administrators are valuable targets.
Technical view
CVE-2019-1852 is a reflected XSS issue caused by insufficient validation of user-supplied input in Cisco Prime Network Registrar's web-based management interface. It is network reachable, needs no attacker privileges, but requires user interaction. CVSS v3.0 is 6.1 with changed scope and low confidentiality and integrity impact.
Likely exposure
Exposure is limited to organizations running Cisco Prime Network Registrar with users who access its web-based management interface. The source bundle does not specify affected versions or CPEs, so product ownership and release status must be confirmed internally and against Cisco guidance.
Exploitation context
The attacker must persuade a management-interface user to click a malicious link. The bundle does not show CISA KEV listing or any cited evidence of active exploitation. Successful exploitation could execute script in the interface context or access sensitive browser-based information.
Researcher notes
The key missing detail is exact affected and fixed versions. Do not assume exploitability across all Cisco Prime Network Registrar releases. Validation should focus on product presence, management-interface reachability, user interaction risk, and Cisco advisory mapping.
Mitigation direction
- Check Cisco's advisory for affected releases and vendor-supported remediation.
- Inventory Cisco Prime Network Registrar deployments and owners.
- Apply Cisco-supported updates or configuration guidance once confirmed for your release.
- Limit management-interface access to trusted administrative paths where operationally feasible.
Validation and detection
- Confirm whether Cisco Prime Network Registrar is deployed in the environment.
- Identify exposed web-based management interfaces and administrative user groups.
- Compare installed versions with Cisco advisory guidance.
- Review security monitoring for suspicious management-interface link activity.
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-2019-1852 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/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:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.1MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20190501 Cisco Prime Network Registrar 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.