Analyst readout for executives and security teams
Plain-English summary
CVE-2019-15241 affects Cisco SPA100 Series analog telephone adapters, specifically Cisco SPA112 in the provided affected list. An attacker already on an adjacent network and authenticated to the default-enabled web management interface could run code with elevated privileges, potentially taking over the device.
Executive priority
Treat this as high priority for legacy voice infrastructure. It is not confirmed actively exploited in the provided sources, but successful compromise could give elevated control over affected phone adapters and disrupt communications.
Technical view
The flaw is improper validation of user input in the web-based management interface, mapped to CWE-119. CVSS v3.0 is 8.0 with adjacent attack vector, low complexity, low privileges, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely in environments still using Cisco SPA112 phone adapters where the web management interface remains enabled and reachable from local or adjacent network segments. The provided data does not name specific vulnerable firmware versions.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires an authenticated attacker with adjacent network access who can send crafted requests to the device management interface.
Researcher notes
Focus validation on authenticated management-plane exposure from adjacent networks. The affected version data is incomplete in the source bundle, so firmware applicability should be confirmed directly against Cisco's advisory rather than inferred.
Mitigation direction
- Review Cisco's advisory for fixed software versions or official workarounds.
- Restrict web management access to trusted administrative networks only.
- Remove unnecessary adjacent network reachability to affected adapters.
- Harden and rotate management credentials for affected devices.
- Plan replacement if no supported fixed firmware is available.
Validation and detection
- Inventory Cisco SPA112 adapters in voice and network environments.
- Confirm whether the web-based management interface is enabled.
- Check firmware and device status against Cisco's advisory.
- Verify management access is limited to trusted administrators.
- Review available management logs for suspicious authenticated activity.
Public sources used
Based on public source material and reviewed before publication.
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-119: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-15241 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
- High
- CVSS
- 8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.15.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
8HighVector: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20191016 Cisco SPA100 Series Analog Telephone Adapters Remote Code Execution VulnerabilitiesCVE 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 Restriction of Operations within the Bounds of a Memory Buffer
Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.