Auth bypass in Cisco Vision Dynamic Signage Director
CVE-2019-1917
A vulnerability in the REST API interface of Cisco Vision Dynamic Signage Director could allow an unauthenticated, remote attacker to bypass authentication on an affected system. The vulnerability is due to insufficient validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to execute arbitrary actions through the REST API with administrative privileges on the affected system. The REST API is enabled by default and cannot be disabled.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.053 (92.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.053 · newest: 0.053 · change: 0.000
Affected products
- Cisco Vision Dynamic Signage Director — versions unspecified
- Cisco Vision Dynamic Signage Director — versions 5.0, 6.1
Weakness classification (CWE)
References
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190717… (vendor-advisory, Vendor Advisory)
- www.securityfocus.com/bid/109301 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2019-1917?
- CVE-2019-1917 is a critical-severity vulnerability in Cisco Vision Dynamic Signage Director, classified under Improper Authentication. CVSS score: 9.1/10. Published 2019-07-17.
- How severe is CVE-2019-1917?
- Critical severity. CVSS v3 base score is 9.1 out of 10.