What is CVE-2020-3227?

CVE-2020-3227 is a critical-severity vulnerability in Cisco Ios Xe Software 16.3.1, classified under CWE-264. CVSS score: 9.8/10. Published 2020-06-03.

How severe is CVE-2020-3227?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-3227 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Cisco Ios Xe Software 16.3.1

CVE-2020-3227

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…

EPSS: 0.034 (87.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco Ios Xe Software 16.3.1 — versions n/a
Cisco Ios_xe — versions 3.11.6e, 16.3.1, 16.3.1a

Weakness classification (CWE)

Public proof-of-concept exploits

Live-Hack-CVE/CVE-2020-3227

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3227?: CVE-2020-3227 is a critical-severity vulnerability in Cisco Ios Xe Software 16.3.1, classified under CWE-264. CVSS score: 9.8/10. Published 2020-06-03.
How severe is CVE-2020-3227?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-3227 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.