9.1

CVE-2017-6711: cisco ultra_services_framework Improper Authentication

CVSS: 9.1v3.0CriticalModified
Published 06-07-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-6711 is a critical (CVSS 9.1) Improper Authentication vulnerability in cisco ultra_services_framework. EPSS estimates a 1.55% chance of exploitation in the next 30 days, higher than 74.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.0 (NVD)
EPSS score
1.55%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-07-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.55%

Chance of exploitation in the next 30 days

Percentile

75%

Versus all other CVEs

30-day change

0.00 pp

From 1.55% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.55%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco1 product

1 vendor · 1 product

References

2 links