Cisco Vision Dynamic Signage Director Reflected Cross-Site Scripting Vulnerability
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
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-34742
- 2026-10-03 Alias added: GHSA-m49x-9cgf-q686
References
More Cisco Vision Dynamic Signage Director vulnerabilities
- 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
Sources
- CVE-2021-34742 · CVE Program
- CVE-2021-34742 · NVD
- FIRST EPSS
- GHSA-m49x-9cgf-q686 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences