CVE-2018-15321
What it is
When BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.2.1-11.5.6, BIG-IQ Centralized Management 5.0.0-5.4.0 or 4.6.0, BIG-IQ Cloud and Orchestration 1.0.0, iWorkflow 2.1.0-2.3.0, or Enterprise Manager 3.1.1 is licensed for Appliance Mode, Admin and Resource administrator roles can by-pass BIG-IP Appliance Mode restrictions to overwrite critical system files. Attackers of high privilege level are able to overwrite critical system files which bypasses security controls in place to limit TMSH commands. This is possible with an administrator or resource administrator roles when granted TMSH. Resource administrator roles must have TMSH access in order to perform this attack.
At a glance
- Exploitability
- Can be exploited over the network with an admin-level account. High risk of data tampering.
- Exploit odds
- 0.9% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.9% in the next 30 days (EPSS).
- Severity: 4.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.9% · EPSS, next 30 days
- Weakness
- CWE-269 · Improper privilege management
- Record status
- Modified
Affected
- f5 big-ip Local Traffic Manager ≤ 11.5.6
- f5 big-ip Local Traffic Manager ≤ 11.6.3.2
- f5 big-ip Local Traffic Manager ≤ 12.1.3.5
- f5 big-ip Local Traffic Manager ≤ 13.1.0.7
- f5 big-ip Local Traffic Manager ≤ 14.0.0.2
- f5 big-ip Advanced Firewall Manager ≤ 11.5.6
- f5 big-ip Advanced Firewall Manager ≤ 11.6.3.2
- f5 big-ip Advanced Firewall Manager ≤ 12.1.3.5
Attack profile CVSS 3.0 · 4.9
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-15321.md and follow it. Check whether this project is affected by CVE-2018-15321. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
