Medium severity · published Oct 27, 2017
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,…
5.3
CVSS
1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Access Policy Manager · F5
11.5.0 through 11.5.4; 11.2.1; 11.6.0; 11.6.1; 12.0.0; 12.1.0; +2 more · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
11.5.0 through 11.5.4; 11.2.1; 11.6.0; 11.6.1; 12.0.0; 12.1.0; +2 more · source: NVD
BA
Big-ip Application Acceleration Manager · F5
11.5.0 through 11.5.4; 11.2.1; 11.6.0; 11.6.1; 12.0.0; 12.1.0; +2 more · source: NVD
BA
Big-ip Application Security Manager · F5
11.5.0 through 11.5.4; 11.2.1; 11.6.0; 11.6.1; 12.0.0; 12.1.0; +2 more · source: NVD
BD
Big-ip Domain Name System · F5
11.4.0 through 11.5.4; 11.2.1; 11.6.0; 11.6.1; 12.0.0; 12.1.0; +2 more · source: NVD
BE
Big-ip Edge Gateway · F5
11.2.1; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +9 more · source: NVD
BG
Big-ip Global Traffic Manager · F5
11.2.1; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +8 more · source: NVD
BL
Big-ip Link Controller · F5
11.5.0 through 11.5.4; 11.2.1; 11.6.0; 11.6.1; 12.0.0; 12.1.0; +2 more · source: NVD
BL
Big-ip Local Traffic Manager · F5
11.5.0 through 11.5.4; 11.2.1; 11.6.0; 11.6.1; 12.0.0; 12.1.0; +2 more · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
11.5.0 through 11.5.4; 11.2.1; 11.6.0; 11.6.1; 12.0.0; 12.1.0; +2 more · source: NVD
BW
Big-ip Webaccelerator · F5
11.2.1; 11.4.0; 11.4.1; 11.5.0; 11.5.1; 11.5.2; +10 more · source: NVD
Affected product
BA
Big-ip Access Policy Manager
F5
More from Big-ip Access Policy Manager
9.8
CVE-2026-94127
BIG-IP APM OAuth vulnerability
9.8
CVE-2025-53521
BigIP APM Vulnerability
9.8
CVE-2023-46747
BIG-IP Configuration utility unauthenticated remote code execution vulnerability
9.8
CVE-2022-1388
F5 BIG-IP Missing Authentication Vulnerability
9.8
CVE-2021-22991
F5 BIG-IP Traffic Management Microkernel Buffer Overflow