Medium severity · published Apr 13, 2016
CVE-2016-3686
The Single Sign-On (SSO) feature in F5 BIG-IP APM 11.x before 11.6.0 HF6 and BIG-IP Edge Gateway 11.0.0 through 11.3.0 might allow remote attackers to obtain sensitive SessionId…
5.9
CVSS
1.5%
EPSS
No
On KEV
Description
The Single Sign-On (SSO) feature in F5 BIG-IP APM 11.x before 11.6.0 HF6 and BIG-IP Edge Gateway 11.0.0 through 11.3.0 might allow remote attackers to obtain sensitive SessionId information by leveraging access to the Location HTTP header in a redirect.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% 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
11.0.0; 11.1.0; 11.2.0; 11.2.1; 11.3.0; 11.4.0; +7 more · source: NVD
BE
Big-ip Edge Gateway · F5
11.0.0; 11.1.0; 11.2.0; 11.2.1; 11.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-3686
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-3686
www.securitytracker.com
http://www.securitytracker.com/id/1035519
Vendor Advisory
https://support.f5.com/kb/en-us/solutions/public/k/82/sol82679059.html
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