Vulnerability in F5 Big-Ip
CVE-2019-6638
On BIG-IP 14.1.0-14.1.0.5 and 14.0.0-14.0.0.4, Malformed http requests made to an undisclosed iControl REST endpoint can lead to infinite loop of the restjavad process.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- F5 Big-Ip — versions BIG-IP 14.1.0-14.1.0.5, 14.0.0-14.0.0.4
- 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/K67825238 (Vendor Advisory)
- www.securityfocus.com/bid/109106 (VDB Entry, Third Party Advisory, vdb-entry)
- support.f5.com/csp/article/K67825238
Frequently asked questions
- What is CVE-2019-6638?
- CVE-2019-6638 is a medium-severity vulnerability in F5 Big-Ip, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2019-07-03.
- How severe is CVE-2019-6638?
- Medium severity. CVSS v3 base score is 6.5 out of 10.