CVE-2016-1406

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. 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: 2%CVSS: 8.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

The API web interface in Cisco Prime Infrastructure before 3.1 and Cisco Evolved Programmable Network Manager before 1.2.4 allows remote authenticated users to bypass intended RBAC restrictions and obtain sensitive information, and consequently gain privileges, via crafted JSON data, aka Bug ID CSCuy12409.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
45(Track)
EG Risk 45/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation2% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
73.6%
KEV
Not listed

Published

May 25, 2016

Last Modified

May 6, 2026

Advisory Details (1)

Auto-updated May 9, 2026
No patch confirmed yet.
generic

Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager JSON Privilege Escalation Vulnerability

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160523-pi-epnm

Data Freshness Timeline

(refreshed 10× in last 7d / 40× 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.

  1. 2026-07-23 14:14 UTCEPSS rescore
  2. 2026-07-23 01:21 UTCEG score recompute
  3. 2026-07-22 22:01 UTCEG score recompute
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  1. 2026-07-07 13:42 UTCEPSS rescore
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  64. 2026-05-22 20:12 UTCEG score recompute
  65. 2026-05-22 20:12 UTCGHSA enrichment
  66. 2026-05-21 22:40 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2016-1406?
CVE-2016-1406 is a high vulnerability published on May 25, 2016. The API web interface in Cisco Prime Infrastructure before 3.1 and Cisco Evolved Programmable Network Manager before 1.2.4 allows remote authenticated users to bypass intended RBAC restrictions and obtain sensitive information, and consequently gain privileges, via crafted JSON data, aka Bug ID…
When was CVE-2016-1406 disclosed?
CVE-2016-1406 was first published in the National Vulnerability Database on May 25, 2016, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-1406 actively exploited?
CVE-2016-1406 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 73.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2016-1406?
CVE-2016-1406 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2016-1406?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-1406, 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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