Improper authentication in Cisco Ultra Services Framework
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
A vulnerability in the Ultra Automation Service (UAS) of the Cisco Ultra Services Framework could allow an unauthenticated, remote attacker to gain unauthorized access to a targeted device. The vulnerability is due to an insecure default configuration of the Apache ZooKeeper service used by the affected software. An attacker could exploit this vulnerability by accessing the affected device through the orchestrator network. An exploit could allow the attacker to gain access to ZooKeeper data nodes (znodes) and influence the behavior of the system's high-availability feature. This vulnerability affects all releases of Cisco Ultra Services Framework UAS prior to Releases 5.0.3 and 5.1. Cisco Bug IDs: CSCvd29395.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Cisco Ultra Services Framework | Cisco Ultra Services Framework | — | No fix listed | CNA |
- Cisco Ultra Services Framework Vendor— Affected Cisco Ultra Services Framework Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-6711
- 2026-10-03 Alias added: GHSA-6rjw-8mv2-7m5v
References
More Cisco Ultra Services Framework vulnerabilities
- TI-2017-04465 Information disclosure in Cisco Ultra Services Framework CVSS 3.0CRITICAL 9.8
- TI-2017-04464 Information disclosure in Cisco Ultra Services Framework CVSS 3.0CRITICAL 9.8
- TI-2017-04437 Information disclosure in Cisco Ultra Services Framework CVSS 3.0HIGH 7.5
- TI-2017-04525 Information disclosure in Cisco Ultra Services Framework CVSS 3.0HIGH 7.5
- TI-2017-04436 Improper input validation in Cisco Ultra Services Framework CVSS 3.0HIGH 7.5
Sources
- CVE-2017-6711 · CVE Program
- CVE-2017-6711 · NVD
- FIRST EPSS
- GHSA-6rjw-8mv2-7m5v · GitHub Advisory Database · CC BY 4.0
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