Read the docs
TI-2020-02797 Aliases CVE-2020-3237GHSA-wpf6-xqrg-67f3

Cisco IOx Application Framework Arbitrary File Overwrite Vulnerability

Priority LOW 30CWE-59Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A vulnerability in the Cisco Application Framework component of the Cisco IOx application environment could allow an authenticated, local attacker to overwrite arbitrary files in the virtual instance that is running on the affected device. The vulnerability is due to insufficient path restriction enforcement. An attacker could exploit this vulnerability by including a crafted file in an application package. An exploit could allow the attacker to overwrite files.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0035 28th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco IOxall versions—No fix listedCNA
  • Cisco IOx VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisco:iox:*:*:*:*:*:*:*:*before 1.9.0VulnerableCisco
  • cpe:2.3:a:cisco:iox:*:*:*:*:*:*:*:* Versions before 1.9.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-3237
  2. 2026-10-03 Alias added: GHSA-wpf6-xqrg-67f3

References

  • TI-2017-02950 Memory corruption in Cisco IOx CVSS 3.0CRITICAL 9.8
  • TI-2023-06784 Cisco IOx Application Hosting Environment Command Injection Vulnerability CVSS 3.1HIGH 8.8
  • TI-2017-02948 Path traversal in Cisco Application-Hosting Framework CVSS 3.0HIGH 7.5
  • TI-2017-02949 Improper input validation in Cisco Application-Hosting Framework CVSS 3.0HIGH 8.1
  • TI-2020-02798 Cisco IOx Application Framework Arbitrary File Creation Vulnerability CVSS 3.1HIGH 8.1
  • TI-2016-07528 Path traversal in Cisco IOx CVSS 3.0MEDIUM 6.5
See all 8 →

Sources