Vulnerability in F5 Big-Ip Access Policy Manager
CVE-2017-6156
When the F5 BIG-IP 12.1.0-12.1.1, 11.6.0-11.6.1, 11.5.1-11.5.5, or 11.2.1 system is configured with a wildcard IPSec tunnel endpoint, it may allow a remote attacker to disrupt or impersonate the tunnels that have completed phase 1 IPSec negotiations. The attacker must possess the necessary credentials to negotiate the phase 1 of the IPSec exchange to exploit this vulnerability; in many environment this limits the attack surface to other endpoints under the same administration.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:H.
EPSS exploit prediction
EPSS: 0.009 (58.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: -0.000
Affected products
- F5 Big-Ip Access Policy Manager — versions 11.2.1, 11.6.1
- F5 Big-Ip Advanced Firewall Manager — versions 11.2.1, 11.6.1
- F5 Big-Ip Analytics — versions 11.2.1, 11.6.1
- F5 Big-Ip Application Acceleration Manager — versions 11.2.1, 11.6.1
- F5 Big-Ip Application Security Manager — versions 11.2.1, 11.6.1
- F5 Big-Ip Domain Name System — versions 11.2.1, 11.6.1
- F5 Big-Ip Edge Gateway — versions 11.2.1, 11.6.1
- F5 Big-Ip Global Traffic Manager — versions 11.2.1, 11.6.1
- F5 Big-Ip Link Controller — versions 11.2.1, 11.6.1
- F5 Big-Ip Local Traffic Manager — versions 11.2.1, 11.6.1
References
- support.f5.com/csp/article/K05263202 (Vendor Advisory)
Frequently asked questions
- What is CVE-2017-6156?
- CVE-2017-6156 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager. CVSS score: 6.4/10. Published 2018-04-13.
- How severe is CVE-2017-6156?
- Medium severity. CVSS v3 base score is 6.4 out of 10.