Denial of service in BIG-IP Virtual Edition FastL4 profile
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-23555 |
| CWE-ID | CWE-665 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
BIG-IP Hardware solutions / Firmware |
| Vendor | F5 Networks |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper Initialization
EUVDB-ID: #VU71819
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-23555
CWE-ID:
CWE-665 - Improper Initialization
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper initialization when FastL4 profile is configured on a virtual server in BIG-IP Virtual Edition. A remote attacker can send specially crafted traffic to the device and cause the TMM process to crash.
Install updates from vendor's website.
Vulnerable software versionsBIG-IP: 14.1.5 - 15.1.7
External linkshttp://my.f5.com/manage/s/article/K24572686
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
