Resource exhaustion in F5 Big-Ip Access Policy Manager
CVE-2017-6161
In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator software version 12.0.0 - 12.1.2, 11.6.0 - 11.6.1, 11.4.0 - 11.5.4, 11.2.1, when ConfigSync is configured, attackers on adjacent networks may be able to bypass the TLS protections usually used to encrypted and authenticate connections to mcpd. This vulnerability may allow remote attackers to cause a denial-of-service (DoS) attack via resource exhaustion.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.010 (60.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.4% 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 11.2.1, 11.6.0, 11.6.1
- F5 Big-Ip Advanced Firewall Manager — versions 11.2.1, 11.6.0, 11.6.1
- F5 Big-Ip Application Acceleration Manager — versions 11.2.1, 11.6.0, 11.6.1
- F5 Big-Ip Application Security Manager — versions 11.2.1, 11.6.0, 11.6.1
- F5 Big-Ip Domain Name System — versions 11.2.1, 11.6.0, 11.6.1
- F5 Big-Ip Edge Gateway — versions 11.2.1, 11.4.0, 11.4.1
- F5 Big-Ip Global Traffic Manager — versions 11.2.1, 11.4.0, 11.4.1
- F5 Big-Ip Link Controller — versions 11.2.1, 11.6.0, 11.6.1
- F5 Big-Ip Local Traffic Manager — versions 11.2.1, 11.6.0, 11.6.1
- F5 Big-Ip Policy Enforcement Manager — versions 11.2.1, 11.6.0, 11.6.1
Weakness classification (CWE)
References
- support.f5.com/csp/article/K62279530 (Vendor Advisory)
- www.securitytracker.com/id/1039676 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/101636 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1039675 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-6161?
- CVE-2017-6161 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2017-10-27.
- How severe is CVE-2017-6161?
- Medium severity. CVSS v3 base score is 5.3 out of 10.