A vulnerability in Cisco Ultra Services Framework Element Manager could allow an authenticated, remote attacker with access to the management network to log in as an admin or oper user of the affected device, aka an Insecure Default Credentials Vulnerability. More Information: CSCvc76699. Known Affected Releases: 21.0.0.
CVE-2017-6686
HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.8; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(medium)
- EPSS
- 71.2%
- KEV
- Not listed
Published
June 13, 2017
Last Modified
May 13, 2026
Advisory Details (2)
Auto-updated May 22, 2026No patch confirmed yet.
generic
Cisco Ultra Services Framework Element Manager Insecure Default Credentials Vulnerability
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170607-usf4Data Freshness Timeline
(refreshed 12× in last 7d / 39× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:42 UTCEPSS rescore
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- 2026-06-21 01:57 UTCEPSS rescore
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- 2026-05-22 12:40 UTCEG score recompute
- 2026-05-22 12:40 UTCGHSA enrichment
- 2026-05-21 22:40 UTCEPSS rescore
- 2026-05-21 22:06 UTCOSV refresh
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-18 21:30 UTCEPSS rescore
Frequently asked(5)
What is CVE-2017-6686?
CVE-2017-6686 is a high vulnerability published on June 13, 2017. A vulnerability in Cisco Ultra Services Framework Element Manager could allow an authenticated, remote attacker with access to the management network to log in as an admin or oper user of the affected device, aka an Insecure Default Credentials Vulnerability. More Information: CSCvc76699. Known…
When was CVE-2017-6686 disclosed?
CVE-2017-6686 was first published in the National Vulnerability Database on June 13, 2017, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-6686 actively exploited?
CVE-2017-6686 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2017-6686?
CVE-2017-6686 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2017-6686?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-6686, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
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