High severity · published May 2, 2018
CVE-2018-5517
On F5 BIG-IP 13.1.0-13.1.0.5, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service
7.5
CVSS
1.7%
EPSS
No
On KEV
Description
On F5 BIG-IP 13.1.0-13.1.0.5, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% 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
13.1.0 through 13.1.0.5 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
13.1.0 through 13.1.0.5 · source: NVD
BA
Big-ip Analytics · F5
13.1.0 through 13.1.0.5 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
13.1.0 through 13.1.0.5 · source: NVD
BA
Big-ip Application Security Manager · F5
13.1.0 through 13.1.0.5 · source: NVD
BD
Big-ip Domain Name System · F5
13.1.0 through 13.1.0.5 · source: NVD
BE
Big-ip Edge Gateway · F5
13.1.0 through 13.1.0.5 · source: NVD
BG
Big-ip Global Traffic Manager · F5
13.1.0 through 13.1.0.5 · source: NVD
BL
Big-ip Link Controller · F5
13.1.0 through 13.1.0.5 · source: NVD
BL
Big-ip Local Traffic Manager · F5
13.1.0 through 13.1.0.5 · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
13.1.0 through 13.1.0.5 · source: NVD
BW
Big-ip Webaccelerator · F5
13.1.0 through 13.1.0.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-5517
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-5517
Third Party Advisory
http://www.securitytracker.com/id/1040805
Vendor Advisory
https://support.f5.com/csp/article/K25573437
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