THREATPORT/VULNERABILITY/CVE-2016-5020
HIGH SEVERITY

CVE-2016-5020

Big Ip Wan Optimization Manager vulnerability

CVSS
8.8
EPSS
3.4%
EPSS pct
88th
Exploited
No known
F5 BIG-IP before 12.0.0 HF3 allows remote authenticated users to modify the account configuration of users with the Resource Administration role and gain privilege via a crafted external Extended Application Verification (EAV) monitor script.
Affected vendor
F5
Affected product
Big Ip Wan Optimization Manager
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-264 — Permissions, Privileges, and Access Controls
Published
2016-06-30

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2016-5020

  • Confirm whether F5 Big Ip Wan Optimization Manager is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-5020.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-5020

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-5020 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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