THREATPORT/VULNERABILITY/CVE-2020-3227
CRITICAL SEVERITY

CVE-2020-3227

Ios Xe vulnerability

CVSS
9.8
EPSS
3.4%
EPSS pct
88th
Exploited
No known
A vulnerability in the authorization controls for the Cisco IOx application hosting infrastructure in Cisco IOS XE Software could allow an unauthenticated, remote attacker to execute Cisco IOx API commands without proper authorization. The vulnerability is due to incorrect handling of requests for authorization tokens. An attacker could exploit this vulnerability by using a crafted API call to request such a token. An exploit could allow the attacker to obtain an authorization token and execute any of the IOx API commands on an affected device.
Affected vendor
Cisco
Affected product
Ios Xe
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-264 — Permissions, Privileges, and Access Controls
  • CWE-863 — Incorrect Authorization
Published
2020-06-03

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 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-2020-3227

  • Confirm whether Cisco Ios Xe is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-3227.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-3227

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