CVE-2018-5512
On F5 BIG-IP 13.1.0-13.1.0.5, when Large Receive Offload (LRO) and SYN cookies are enabled ...
On F5 BIG-IP 13.1.0-13.1.0.5, when Large Receive Offload (LRO) and SYN cookies are enabled (default settings), undisclosed traffic patterns may cause TMM to restart.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.5
On F5 BIG-IP 13.1.0-13.1.0.5, when Large Receive Offload (LRO) and SYN cookies are enabled (default settings), undisclosed traffic patterns may cause TMM to restart.
- Record
CVE-2018-5512- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
CVE List No score
On F5 BIG-IP 13.1.0-13.1.0.5, when Large Receive Offload (LRO) and SYN cookies are enabled (default settings), undisclosed traffic patterns may cause TMM to restart.
- Record
CVE-2018-5512- Updated
- 2026-11-02
EUVDEUVD-2018-17281 No score
On F5 BIG-IP 13.1.0-13.1.0.5, when Large Receive Offload (LRO) and SYN cookies are enabled (default settings), undisclosed traffic patterns may cause TMM to restart.
- Record
EUVD-2018-17281- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hhgx-vhvj-3p39
7.5
On F5 BIG-IP 13.1.0-13.1.0.5, when Large Receive Offload (LRO) and SYN cookies are enabled ...
On F5 BIG-IP 13.1.0-13.1.0.5, when Large Receive Offload (LRO) and SYN cookies are enabled (default settings), undisclosed traffic patterns may cause TMM to restart.
- Record
GHSA-hhgx-vhvj-3p39- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
- f5 big-ip (ltm, aam, afm, analytics, apm, asm, dns, edge gateway, gtm, link controller, pem, webaccelerator, websafe)
- f5 big-ip access policy manager
- f5 big-ip advanced firewall manager
- f5 big-ip analytics
- f5 big-ip application acceleration manager
- f5 big-ip application security manager
- f5 big-ip domain name system
- f5 big-ip edge gateway
- f5 big-ip global traffic manager
- f5 big-ip link controller
- f5 big-ip local traffic manager
- f5 big-ip policy enforcement manager
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-5512 is a high vulnerability (CVSS 7.5) in F5 Big-ip (ltm, Aam, Afm, Analytics, Apm, Asm, Dns, Edge Gateway, Gtm, Link Controller, Pem, Webaccelerator, Websafe), published May 2, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.90%, the 87th percentile. No source names a fixed version.