Vulnerability in F5 Big-Ip
CVE-2020-5852
Undisclosed traffic patterns received may cause a disruption of service to the Traffic Management Microkernel (TMM). This vulnerability affects TMM through a virtual server configured with a FastL4 profile. Traffic processing is disrupted while TMM restarts. This issue only impacts specific engineering hotfixes. NOTE: This vulnerability does not affect any of the BIG-IP major, minor or maintenance releases you obtained from downloads.f5.com. The affected Engineering Hotfix builds are as follows: Hotfix-BIGIP-14.1.2.1.0.83.4-ENG Hotfix-BIGIP-12.1.4.1.0.97.6-ENG Hotfix-BIGIP-11.5.4.2.74.291-HF2
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (67.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- F5 Big-Ip — versions Hotfix-BIGIP-14.1.2.1.0.83.4-ENG, Hotfix-BIGIP-12.1.4.1.0.97.6-ENG, Hotfix-BIGIP-11.5.4.2.74.291-HF2
- F5 Big-Ip Access Policy Manager — versions 11.5.4.2.74.291, 12.1.4.1.0.97.6, 14.1.2.1.0.83.4
- F5 Big-Ip Advanced Firewall Manager — versions 11.5.4.2.74.291, 12.1.4.1.0.97.6, 14.1.2.1.0.83.4
- F5 Big-Ip Analytics — versions 11.5.4.2.74.291, 12.1.4.1.0.97.6, 14.1.2.1.0.83.4
- F5 Big-Ip Application Acceleration Manager — versions 11.5.4.2.74.291, 12.1.4.1.0.97.6, 14.1.2.1.0.83.4
- F5 Big-Ip Application Security Manager — versions 11.5.4.2.74.291, 12.1.4.1.0.97.6, 14.1.2.1.0.83.4
- F5 Big-Ip Domain Name System — versions 11.5.4.2.74.291, 12.1.4.1.0.97.6, 14.1.2.1.0.83.4
- F5 Big-Ip Edge Gateway — versions 11.5.4.2.74.291, 12.1.4.1.0.97.6, 14.1.2.1.0.83.4
- F5 Big-Ip Fraud Protection Service — versions 11.5.4.2.74.291, 12.1.4.1.0.97.6, 14.1.2.1.0.83.4
- F5 Big-Ip Global Traffic Manager — versions 11.5.4.2.74.291, 12.1.4.1.0.97.6, 14.1.2.1.0.83.4
References
- support.f5.com/csp/article/K53590702 (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-5852?
- CVE-2020-5852 is a high-severity vulnerability in F5 Big-Ip. CVSS score: 7.5/10. Published 2020-01-14.
- How severe is CVE-2020-5852?
- High severity. CVSS v3 base score is 7.5 out of 10.