Security readout for executives and security teams
Plain-English summary
This is a reflected cross-site scripting issue in Cisco Unified Intelligence Center's web management interface. An attacker would need to trick a user into clicking a crafted link. If successful, the attacker could run script in that user's browser session or access browser-held information tied to the interface.
Executive priority
Treat as a scheduled remediation item, not an emergency, unless the management interface is widely exposed or used by high-privilege administrators. The main business risk is session-context script execution after user interaction.
Technical view
CVE-2021-1395 is CWE-79 in Cisco Unified Intelligence Center, associated in the source bundle with Cisco Unified Contact Center Express. The flaw is improper validation of user-supplied input in the web-based management interface. CVSS 3.1 is 4.7: network exploitable, low complexity, no privileges required, user interaction required, changed scope, low integrity impact.
Likely exposure
Exposure is most likely where Cisco Unified Contact Center Express deployments include the Cisco Unified Intelligence Center web management interface and users can be lured into opening attacker-supplied links. The source bundle does not provide affected version details.
Exploitation context
The provided sources do not state active exploitation, and the CVE is not marked CISA KEV. Exploitation depends on social engineering a legitimate interface user into clicking a crafted link, so risk rises when management users browse email or web content from the same browser context.
Researcher notes
Evidence is limited to the CVE record and Cisco advisory reference. The bundle identifies XSS behavior, CVSS vector, affected Cisco product context, and user-interaction requirement, but does not include vulnerable version ranges, fixed releases, proof-of-concept status, or observed exploitation.
Mitigation direction
- Review Cisco advisory cisco-sa-cuic-xss-csHUdtrL for affected releases and fixed software guidance.
- Upgrade affected deployments according to Cisco's published instructions.
- Restrict web management interface access to trusted users and networks where feasible.
- Warn CUIC administrators not to open unexpected management-interface links.
Validation and detection
- Inventory Cisco Unified Contact Center Express deployments using Cisco Unified Intelligence Center.
- Compare installed software versions against Cisco's advisory guidance.
- Confirm web management interfaces are not reachable from unnecessary networks.
- Review logs or reports for suspicious links targeting management-interface users.
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-2021-1395 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 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.7MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- 20210616 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.