What is CVE-2020-3238?

CVE-2020-3238 is a high-severity vulnerability in Cisco Iox, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2020-06-03.

How severe is CVE-2020-3238?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2020-3238 known to be exploited?

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

Improper input validation in Cisco Iox

CVE-2020-3238

A vulnerability in the Cisco Application Framework component of the Cisco IOx application environment could allow an authenticated, remote attacker to write or modify arbitrary files in the virtual instance that is running on the affected device. The vulnerability is due to insufficient input validation of user-supplied application packages. An attacker who can upload a malicious package within Cisco IOx could exploit the vulnerability to modify arbitrary files. The impacts of a successful exploit are limited to the scope of the virtual instance and do not affect the device that is hosting Cisco IOx.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (66.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

Affected products

Cisco Iox — versions n/a
Cisco Iox

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

n0-traces/cve_

References

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

Frequently asked questions

What is CVE-2020-3238?: CVE-2020-3238 is a high-severity vulnerability in Cisco Iox, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2020-06-03.
How severe is CVE-2020-3238?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2020-3238 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.