Vulnerability in F5 Big-Ip Access Policy Manager
CVE-2019-6594
On BIG-IP 11.5.1-11.6.3.2, 12.1.3.4-12.1.3.7, 13.0.0 HF1-13.1.1.1, and 14.0.0-14.0.0.2, Multi-Path TCP (MPTCP) does not protect against multiple zero length DATA_FINs in the reassembly queue, which can lead to an infinite loop in some circumstances.
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: 0.010 (61.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · 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 Security Manager — versions 13.0.0
- F5 Big-Ip Domain Name System — versions 13.0.0
- F5 Big-Ip Edge Gateway — versions 13.0.0
- F5 Big-Ip Fraud Protection Service — 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/K91026261 (Vendor Advisory)
Frequently asked questions
- What is CVE-2019-6594?
- CVE-2019-6594 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.9/10. Published 2019-02-26.
- How severe is CVE-2019-6594?
- Medium severity. CVSS v3 base score is 5.9 out of 10.