Security readout for executives and security teams
Plain-English summary
This flaw lets an attacker trick a user of the Cisco Unified Intelligence Center web interface into opening a malicious link. If successful, the attacker can run script in that user’s browser session and potentially read sensitive browser-based information. It requires user interaction, which keeps urgency below critical.
Executive priority
Handle in normal vulnerability management with attention to exposed management interfaces. Prioritize faster remediation if CUIC is internet-accessible, broadly reachable internally, or used by privileged staff.
Technical view
CVE-2021-1463 is reflected XSS in the Cisco Unified Intelligence Center web-based management interface, caused by insufficient validation of user-supplied input. The supplied data lists Cisco Unified Contact Center Express as affected. CVSS 3.1 is 6.1: network reachable, low complexity, no privileges required, user interaction required, changed scope.
Likely exposure
Exposure is most likely where Cisco Unified Contact Center Express deployments include the affected Cisco Unified Intelligence Center interface reachable by administrators or users. Internet exposure would increase practical risk, but the supplied sources do not state exposure prevalence.
Exploitation context
The supplied data describes link-based exploitation requiring a user to click a crafted URL. It does not cite public exploitation, and KEV is false in the provided bundle. Treat this as plausible phishing-assisted exploitation, not confirmed active exploitation.
Researcher notes
Evidence is limited to the CVE record summary and Cisco advisory reference. The bundle does not provide exact affected version ranges, fixed versions, or exploitation evidence, so validation should start with Cisco’s advisory and local asset data.
Mitigation direction
- Review Cisco’s advisory for affected releases and fixed software guidance.
- Apply vendor-supported updates or workarounds identified by Cisco.
- Restrict access to the management interface to trusted networks and users.
- Warn interface users not to open unsolicited administrative links.
Validation and detection
- Inventory Cisco Unified Contact Center Express deployments and CUIC interface availability.
- Compare installed versions against Cisco’s advisory applicability and fixed-release guidance.
- Check whether the management interface is reachable from untrusted networks.
- Review logs for suspicious CUIC web requests around user-reported 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-2021-1463 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
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20210407 Cisco Unified Intelligence Center 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.