Privilege escalation in F5 Big-Ip
CVE-2019-6685
On BIG-IP versions 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, users with access to edit iRules are able to create iRules which can lead to an elevation of privilege, configuration modification, and arbitrary system command execution.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (27.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- F5 Big-Ip — versions 15.0.0-15.0.1.1, 14.1.0-14.1.2.2, 14.0.0-14.0.1
- F5 Big-Ip Access Policy Manager
- F5 Big-Ip Advanced Firewall Manager
- F5 Big-Ip Analytics
- F5 Big-Ip Application Acceleration Manager
- F5 Big-Ip Application Security Manager
- F5 Big-Ip Domain Name System
- F5 Big-Ip Edge Gateway
- F5 Big-Ip Fraud Protection Service
- F5 Big-Ip Global Traffic Manager
Weakness classification (CWE)
References
- support.f5.com/csp/article/K30215839 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-6685?
- CVE-2019-6685 is a high-severity vulnerability in F5 Big-Ip, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2019-12-23.
- How severe is CVE-2019-6685?
- High severity. CVSS v3 base score is 7.8 out of 10.