Resource exhaustion in F5 Big-Ip Access Policy Manager
CVE-2018-5500
On F5 BIG-IP systems running 13.0.0, 12.1.0 - 12.1.3.1, or 11.6.1 - 11.6.2, every Multipath TCP (MCTCP) connection established leaks a small amount of memory. Virtual server using TCP profile with Multipath TCP (MCTCP) feature enabled will be affected by this issue.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.013 (70.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- F5 Big-Ip Access Policy Manager — versions 13.0.0
- F5 Big-Ip Advanced Firewall Manager — versions 13.0.0
- F5 Big-Ip Analytics — versions 13.0.0
- F5 Big-Ip Application Acceleration Manager — versions 13.0.0
- F5 Big-Ip Application Security Manager — versions 13.0.0
- F5 Big-Ip DNS — versions 13.0.0
- F5 Big-Ip Edge Gateway — versions 13.0.0
- F5 Big-Ip Global Traffic Manager — versions 13.0.0
- F5 Big-Ip Link Controller — versions 13.0.0
- F5 Big-Ip Local Traffic Manager — versions 13.0.0
Weakness classification (CWE)
References
- support.f5.com/csp/article/K33211839 (Vendor Advisory)
- www.securityfocus.com/bid/103217 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-5500?
- CVE-2018-5500 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Uncontrolled Resource Consumption. CVSS score: 5.9/10. Published 2018-03-01.
- How severe is CVE-2018-5500?
- Medium severity. CVSS v3 base score is 5.9 out of 10.