Security readout for executives and security teams
Plain-English summary
This is a medium-severity XSS issue in the web management interface for Cisco IP Phone 6800, 7800, and 8800 Series using Multiplatform Firmware. An authenticated attacker would need to convince a user to open a crafted link. Successful exploitation could run script in that interface and expose browser-held information.
Executive priority
Treat as a scheduled remediation item, not an emergency, unless phone management interfaces are broadly reachable or exposed outside trusted networks. Prioritize inventory and firmware confirmation.
Technical view
The flaw is CWE-79 input validation failure in the web-based GUI. CVSS 3.0 is 5.4: network reachable, low complexity, low privileges required, user interaction required, changed scope, low confidentiality and integrity impact, no availability impact. The source bundle does not provide affected or fixed firmware version details.
Likely exposure
Exposure is most likely where Cisco IP Phone Multiplatform Firmware web GUIs are enabled and reachable by authenticated users. Public internet exposure would increase concern, but the bundle does not state exposure prevalence.
Exploitation context
The attacker must already have low-privileged access and must persuade a GUI user to click a crafted link. The bundle marks KEV as false and provides no cited evidence of active exploitation.
Researcher notes
Evidence supports authenticated, user-interaction XSS in Cisco IP Phone Multiplatform Firmware web GUI. Version and fixed-release details are incomplete in the provided bundle, so remediation specifics should come directly from Cisco’s advisory.
Mitigation direction
- Check Cisco advisory for affected and fixed firmware versions.
- Upgrade affected phones according to Cisco guidance.
- Restrict web GUI access to trusted administrative networks.
- Review whether the web GUI is required for normal operations.
Validation and detection
- Inventory Cisco IP Phone 6800, 7800, and 8800 MPP devices.
- Record firmware versions and compare them with Cisco advisory guidance.
- Confirm whether the web-based GUI is enabled and reachable.
- Review scanner findings for CVE-2019-16008 without using exploit payloads.
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-2019-16008 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
- 20200108 Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware 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.