CVE-2020-5907
HIGHCVSS 7.2/10EPSS 1.43%
Last modified
CVE-2020-5907 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, an authorized user provided with access only to the TMOS Shell (tmsh) may be able to conduct arbitrary file read/writes via the built-in sftp functionality.. EPSS estimates a 1.43% chance of exploitation in the next 30 days.
Description
In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, an authorized user provided with access only to the TMOS Shell (tmsh) may be able to conduct arbitrary file read/writes via the built-in sftp functionality.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | >= 11.5.2, <= 11.6.5 |
| F5 | Big-Ip Access Policy Manager | >= 12.1.0, <= 12.1.5 |
| F5 | Big-Ip Access Policy Manager | >= 13.1.0, <= 13.1.3 |
| F5 | Big-Ip Access Policy Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Access Policy Manager | >= 15.0.0, <= 15.1.0 |
| F5 | Big-Ip Advanced Firewall Manager | >= 11.5.2, <= 11.6.5 |
| F5 | Big-Ip Advanced Firewall Manager | >= 12.1.0, <= 12.1.5 |
| F5 | Big-Ip Advanced Firewall Manager | >= 13.1.0, <= 13.1.3 |
| F5 | Big-Ip Advanced Firewall Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Advanced Firewall Manager | >= 15.0.0, <= 15.1.0 |
| F5 | Big-Ip Analytics | >= 11.5.2, <= 11.6.5 |
| F5 | Big-Ip Analytics | >= 12.1.0, <= 12.1.5 |
| F5 | Big-Ip Analytics | >= 13.1.0, <= 13.1.3 |
| F5 | Big-Ip Analytics | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Analytics | >= 15.0.0, <= 15.1.0 |
| F5 | Big-Ip Application Acceleration Manager | >= 11.5.2, <= 11.6.5 |
| F5 | Big-Ip Application Acceleration Manager | >= 12.1.0, <= 12.1.5 |
| F5 | Big-Ip Application Acceleration Manager | >= 13.1.0, <= 13.1.3 |
| F5 | Big-Ip Application Acceleration Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Application Acceleration Manager | >= 15.0.0, <= 15.1.0 |
| F5 | Big-Ip Application Security Manager | >= 11.5.2, <= 11.6.5 |
| F5 | Big-Ip Application Security Manager | >= 12.1.0, <= 12.1.5 |
| F5 | Big-Ip Application Security Manager | >= 13.1.0, <= 13.1.3 |
| F5 | Big-Ip Application Security Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Application Security Manager | >= 15.0.0, <= 15.1.0 |
| F5 | Big-Ip Domain Name System | >= 11.5.2, <= 11.6.5 |
| F5 | Big-Ip Domain Name System | >= 12.1.0, <= 12.1.5 |
| F5 | Big-Ip Domain Name System | >= 13.1.0, <= 13.1.3 |
| F5 | Big-Ip Domain Name System | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Domain Name System | >= 15.0.0, <= 15.1.0 |
| F5 | Big-Ip Fraud Protection Service | >= 11.5.2, <= 11.6.5 |
| F5 | Big-Ip Fraud Protection Service | >= 12.1.0, <= 12.1.5 |
| F5 | Big-Ip Fraud Protection Service | >= 13.1.0, <= 13.1.3 |
| F5 | Big-Ip Fraud Protection Service | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Fraud Protection Service | >= 15.0.0, <= 15.1.0 |
| F5 | Big-Ip Global Traffic Manager | >= 11.6.1, <= 11.6.5 |
| F5 | Big-Ip Global Traffic Manager | >= 12.1.0, <= 12.1.5 |
| F5 | Big-Ip Global Traffic Manager | >= 13.1.0, <= 13.1.3 |
| F5 | Big-Ip Global Traffic Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Global Traffic Manager | >= 15.0.0, <= 15.1.0 |
| F5 | Big-Ip Link Controller | >= 11.5.2, <= 11.6.5 |
| F5 | Big-Ip Link Controller | >= 12.1.0, <= 12.1.5 |
| F5 | Big-Ip Link Controller | >= 13.1.0, <= 13.1.3 |
| F5 | Big-Ip Link Controller | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Link Controller | >= 15.0.0, <= 15.1.0 |
| F5 | Big-Ip Local Traffic Manager | >= 11.5.2, <= 11.6.5 |
| F5 | Big-Ip Local Traffic Manager | >= 12.1.0, <= 12.1.5 |
| F5 | Big-Ip Local Traffic Manager | >= 13.1.0, <= 13.1.3 |
| F5 | Big-Ip Local Traffic Manager | >= 14.1.0, <= 14.1.2 |
| F5 | Big-Ip Local Traffic Manager | >= 15.0.0, <= 15.1.0 |
Showing 50 of 55 affected configurations. See NVD for the full list.
References
- https://support.f5.com/csp/article/K00091341Vendor Advisory
- https://www.kb.cert.org/vuls/id/290915Third Party Advisory, US Government Resource
- https://support.f5.com/csp/article/K00091341Vendor Advisory
- https://www.kb.cert.org/vuls/id/290915Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-5907?
In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, an authorized user provided with access only to the TMOS Shell (tmsh) may be able to conduct arbitrary file read/writes via the built-in sftp functionality.
How severe is CVE-2020-5907?
CVE-2020-5907 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.43% probability of exploitation in the next 30 days.
How do I fix CVE-2020-5907?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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- CVE-2020-5905In version 11.6.1-11.6.5.2 of the BIG-IP system Configuratio…4.3
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- CVE-2020-5908In versions bundled with BIG-IP APM 12.1.0-12.1.5 and 11.6.1…5.5
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- CVE-2020-5910In versions 3.0.0-3.5.0, 2.0.0-2.9.0, and 1.0.1, the Neural …7.5
- CVE-2020-5911In versions 3.0.0-3.5.0, 2.0.0-2.9.0, and 1.0.1, the NGINX C…7.3
- CVE-2020-5912In BIG-IP versions 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-…7.1
- CVE-2020-5913In versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.…7.4
Are you affected by CVE-2020-5907?
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