Security readout for executives and security teams
Plain-English summary
Cisco Managed Services Accelerator has an open redirect flaw in its web interface. An attacker could manipulate a user’s HTTP request so the Cisco interface sends that user to a malicious site, supporting phishing or trust-abuse scenarios. It does not provide direct system compromise by itself.
Executive priority
Treat as a moderate phishing-enablement issue, not a direct infrastructure takeover. Prioritize if MSX is internet-facing, broadly user-accessible, or used in high-trust operational workflows.
Technical view
CVE-2019-15974 is CWE-601 caused by improper input validation of HTTP request parameters in Cisco MSX. It is remotely reachable, unauthenticated, low complexity, and requires user interaction. CVSS v3.0 is 4.7 with integrity impact only.
Likely exposure
Exposure is limited to organizations running Cisco Managed Services Accelerator where users can reach the affected web interface. The source bundle does not provide affected version ranges or CPEs.
Exploitation context
The sources describe phishing-oriented abuse through open redirect behavior. KEV status is false, and the provided sources do not state active exploitation in the wild.
Researcher notes
Key gaps are affected version specificity and named remediation details in the provided bundle. Validation should avoid weaponized testing and focus on inventory, advisory matching, exposure review, and log analysis.
Mitigation direction
- Check Cisco’s advisory for fixed releases, workarounds, and affected-version details.
- Inventory Cisco Managed Services Accelerator deployments and ownership.
- Limit MSX web interface exposure to trusted administrative networks where feasible.
- Harden phishing controls for links that appear to originate from trusted Cisco-hosted interfaces.
Validation and detection
- Confirm whether Cisco Managed Services Accelerator is deployed in the environment.
- Map externally and internally reachable MSX web interfaces.
- Review the Cisco advisory against deployed versions and upgrade status.
- Inspect access logs for unusual redirect patterns or external destination parameters.
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-601: 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-2019-15974 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
- 4.7 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/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:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.7MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20191106 Cisco Managed Services Accelerator Open Redirect 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.
URL Redirection to Untrusted Site ('Open Redirect')
URL Redirection to Untrusted Site ('Open Redirect') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
