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TI-2021-13741 Aliases CVE-2021-34742GHSA-m49x-9cgf-q686

Cisco Vision Dynamic Signage Director Reflected Cross-Site Scripting Vulnerability

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

A vulnerability in the web-based management interface of Cisco Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface on an affected device. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or access sensitive, browser-based information.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00774 55th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Vision Dynamic Signage Directorall versions—No fix listedCNA
  • Cisco Vision Dynamic Signage Director VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:vision_dynamic_signage_director:*:*:*:*:*:*:*:*up to 6.4VulnerableCisco
  • cpe:2.3:a:cisco:vision_dynamic_signage_director:*:*:*:*:*:*:*:* Versions up to 6.4 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34742
  2. 2026-10-03 Alias added: GHSA-m49x-9cgf-q686

References

  • TI-2019-01537 Cisco Vision Dynamic Signage Director REST API Authentication Bypass Vulnerability CVSS 3.0CRITICAL 9.8
  • TI-2020-03138 Cisco Vision Dynamic Signage Director Missing Authentication Vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2019-12043 Cisco Vision Dynamic Signage Director Authentication Bypass Vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2020-03030 Cisco Vision Dynamic Signage Director Directory Traversal Information Disclosure Vulnerability CVSS 3.1MEDIUM 5.3
  • TI-2020-03031 Cisco Vision Dynamic Signage Director Role-Based Access Control Vulnerability CVSS 3.1MEDIUM 6.3
  • TI-2020-03036 Cisco Vision Dynamic Signage Director Path Traversal Vulnerability CVSS 3.1MEDIUM 4.9
See all 8 →

Sources