THREATPORT/VULNERABILITY/CVE-2019-19840
CRITICAL SEVERITY

CVE-2019-19840

Unleashed vulnerability

CVSS
9.8
EPSS
4.1%
EPSS pct
90th
Exploited
No known
A stack-based buffer overflow in zap_parse_args in zap.c in zap in Ruckus Unleashed through 200.7.10.102.64 allows remote code execution via an unauthenticated HTTP request.
Affected vendor
Ruckuswireless
Affected product
Unleashed
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2020-01-22

Risk analysis

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

Its EPSS score of 4.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2019-19840

  • Confirm whether Ruckuswireless Unleashed is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-19840.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-19840

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-19840 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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