THREATPORT/VULNERABILITY/CVE-2017-6164
HIGH SEVERITY

CVE-2017-6164

Big Ip Local Traffic Manager vulnerability

CVSS
8.1
EPSS
3.9%
EPSS pct
89th
Exploited
No known
In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator and WebSafe software version 13.0.0, 12.0.0 - 12.1.2, 11.6.0 - 11.6.1 and 11.5.0 - 11.5.4, in some circumstances, Traffic Management Microkernel (TMM) does not properly handle certain malformed TLS1.2 records, which allows remote attackers to cause a denial-of-service (DoS) or possible remote command execution on the BIG-IP system.
Affected vendor
F5
Affected product
Big Ip Local Traffic Manager
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-20 — Improper Input Validation
Published
2017-12-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2017-6164

  • Confirm whether F5 Big Ip Local Traffic Manager is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-6164.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-6164

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