CVE-2018-5531
What it is
Through undisclosed methods, on F5 BIG-IP 13.0.0-13.1.0.7, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, or 11.2.1-11.5.6, adjacent network attackers can cause a denial of service for VCMP guest and host systems. Attack must be sourced from adjacent network (layer 2).
At a glance
- Exploitability
- Can be exploited from the same network segment without logging in. High risk of service disruption.
- Exploit odds
- 0.5% 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: 0.5% in the next 30 days (EPSS).
- Severity: 7.4 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- f5 big-ip Local Traffic Manager ≤ 11.5.6
- f5 big-ip Local Traffic Manager ≤ 11.6.3.1
- f5 big-ip Local Traffic Manager ≤ 12.1.3.5
- f5 big-ip Local Traffic Manager ≤ 13.1.0.7
- f5 big-ip Application Acceleration Manager ≤ 11.5.6
- f5 big-ip Application Acceleration Manager ≤ 11.6.3.1
- f5 big-ip Application Acceleration Manager ≤ 12.1.3.5
- f5 big-ip Application Acceleration Manager ≤ 13.1.0.7
Attack profile CVSS 3.0 · 7.4
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
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-2018-5531.md and follow it. Check whether this project is affected by CVE-2018-5531. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.