Cisco IOx Application Framework Arbitrary File Overwrite Vulnerability
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
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-3237
- 2026-10-03 Alias added: GHSA-wpf6-xqrg-67f3
References
More Cisco Iox vulnerabilities
- 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
Sources
- CVE-2020-3237 · CVE Program
- CVE-2020-3237 · NVD
- FIRST EPSS
- GHSA-wpf6-xqrg-67f3 · GitHub Advisory Database · CC BY 4.0
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